[Q] LG MS910 ZVD to ZVE update lost data service - General Questions and Answers

First allow me to say that I wish my first post was not a question, but a helpful comment to someone who needs it...yet trouble has found me and I can't seem to figure this out on my own and really need someone who has the skills and experience.
I know the phone is OLD and should be retired as it is nearing the EOL of its' technology, but I just can't afford to spend the money on a new one right now.
History of the phone is:
Bought new in late 2011, carrier Metro PCS, rooted on the second day of ownership.
Rom'd on the third day with GSE, used that for a while then went over to Black Plague.
Used phone this way for the entire time.
Always kept drivers installed on my Windows PC, 7x64.
A little over a week ago I had some driver issue which caused me to re-download the drivers. After I re-installed them I connected the phone and ran the LGMST. It brought me from the ZVD to ZVE without incident.
Phone has not had data service since.
I phoned Metro PCS distributor help line at 800 901 6266 and spoke to someone who tried to help a bit. They did an OTA push then had me try to re-provision the phone with the *228, no go...
I checked through the web for help, reading many posts about APNs, using Any Cut, located my access pin for the service menu. (didn't make any changes for fear of making things worse)
Then I brought the rooted phone into a Metro store I frequent and asked one of the associates who does this stuff on the side to help me out. He spent about fifteen minutes with the phone and told me he couldn't figure out why it wasn't working.
When I got home, I emailed PG about the issue hoping he could offer some advice. He told me to try TOT downgrading. He provided a few links and I set out to DG with TOT.
The LGNPST didn't install. (received error code 2203) tried a couple other downloads of the LGNPST but all fail with the same error. (I am admin, took ownership of files, edited security of folders as described in some forums from Microsoft about the error code and even tried letting windows install with compatibility settings, but darn thing just won't install)
I then figured I'd try un-rooting and a factory reset. t un-rooted fine and reset to stock, but still not an iota of data 4g,3g, or 1g to be found. (everything else works fine)
I then re-rooted the phone and tried L-Drifta's rom for ZVD Number Two.
It installed fine and works good, except for YouTube force closing all the time, but still no data service.
Does anyone have any idea what happened to this phone? If not, then how about someone helping out with how to manually program the radio part of the phone for service.
Thanks to everyone

CDMA Only selected
Update - - -
So I mustered up the nerve to mess with the network settings in the Metro hidden menu and changed it from CDMA & LTE Hybrid mode to CDMA only and have 3G back, but when I change it to LTE or keep it in Hybrid Mode I loose all data service.
I know I shouldn't keep playing around with the settings, but I just can't leave it alone now that I made some progress. It's like a gnat that I gotta keep swatting until it is gone for good.
Anyone have suggestions for getting my 4G service back?

LG MS910 losing 4G and switching to 3G then no data at all!
Device: LG MS910
Carrier: MetroPCS
Issue: No data
I have a cardinal rule with my phone: "Never use WiFi". WiFi networks are bay nature unsecure. I went to Starbucks and decided to connect to WiFi since I only had 1 bar. The area had poor network coverage.
Now my phone starts in 4G, goes to 3G, then no data after that. 5 minutes later the 3G returns. Data speeds are ZERO!
I've been with Metro long enough to know 1xRTT is faster than ZERO data. Did I get an sms trojan? Is MetroPCS messing with the network with no notification to customers?
For data, the LG MS910 has CDMA (1XRTT, EDVO) and LTE (4GLTE) radios. Why is the 3G icon appearing? The LG MS910 on MetroPCS technically isn't capable of T-Mobile's HSPA+ which uses a GSM signal. Regardless if T-Mobile and MetroPCS have merged, T-Mobile is a GSM carrier and therefore MetroPCS customers wouldn't benefit from T-Mobile's HSPA+ network anyway.
Bottom line: Something isn't right. Any ideas?
Anxiously awaiting the bloatwarefree Nexus 5.

Related

3 days since Dutty AT&T ROM 6.. no more 3G..help!!!

I've tried several resets, I even restored a two day old backup made via spb backup and yes, have also gone into "connection setup" under connections and let it setup AT&T as my provider which subsequently asks for restarting the pda. Also, the HSDPA utility is still showing a check mark on HSPDA On.
All of the above have failed to get my phone back to 3G speeds. I've even tried to surf/download thinking maybe just the icon is showing "G" or "E" however its painstakingly slow now.
So, its either the "G" icon or "E" is what shows now. This all happened when I looked at my phone this morning after SPB backup had performed its scheduled backup that was triggered around 2:30am.
other than that... THIS IS AN AMAZING ROM BY DUTTYTHROY!! YOU RULE DUDE..
oh.. almost forgot: my radio is 1.27.14.09 which I've read that only works with the AT&T Tilt, which is what I have. Just an FYI.
Someone please help as I'm a heavy data user hence can't afford to be without 3G/HSDPA ... TY
AJ
ATT Blocking Unlocked Phones
The Folks at att are blocking unlocked phones fron the 3g and hsdpa network.
meyer1979 said:
The Folks at att are blocking unlocked phones fron the 3g and hsdpa network.
Click to expand...
Click to collapse
WTF... Thats messed up! I've had this problem just today though. Also, my Tilt isn't unlocked to the best of my knowledge.
Please - somebody tell me this isn't true!!!
meyer1979 said:
The Folks at att are blocking unlocked phones fron the 3g and hsdpa network.
Click to expand...
Click to collapse
Cite your sources.
I get 3G/HSDPA just fine on my Kaiser, whenever at&t actually built out some towers.
When I first tried this rom (radio 1.27.14.09) I lost all connection with AT&T but after several hours and traveling into another area everything seemed to fall back in place. I've also noticed that the phone is very slow to reconnect after passing through blacked out areas, not sure why other AT&T phones lose connection but come back online much faster.
Otherwise the ROM is great.
Is it possibly something to do with your rate plan?
EDIT: nevermind I'm using a diff rom I think
NuShrike said:
Cite your sources.
I get 3G/HSDPA just fine on my Kaiser, whenever at&t actually built out some towers.
Click to expand...
Click to collapse
Seems that there's a chance that this is true:
http://info-safety.blogspot.com/2007/12/at-blocks-unlocked-phones.html
http://www.digg.com/tech_news/AT_T_Blocks_Unlocked_Cell_Phones
I personally don't have any issues on the network. I'm running Dutty No.6 AT&T. Does this problem apply to a CID unlocked phone, a SIM unlocked phone, or both?
Regards,
Jeff
3G on/off
JohnnyGTO said:
When I first tried this rom (radio 1.27.14.09) I lost all connection with AT&T but after several hours and traveling into another area everything seemed to fall back in place. I've also noticed that the phone is very slow to reconnect after passing through blacked out areas, not sure why other AT&T phones lose connection but come back online much faster.
Otherwise the ROM is great.
Is it possibly something to do with your rate plan?
Click to expand...
Click to collapse
It shouldn't be my rate plan as I have the PDA unlimited for $39.99. Also, here's an update. This morning when I woke up my Tilt it was still showing E and my wishful thinking of Santa giving me a pre-christmas gift by fixing my phone (I'm easy) were just about drowned. ...however out of nowhere and without doing anything to the phone like soft-reset etc., the 3G icon came back and now its been coming back intermittently..
Now I'm pretty sure that its not that I'm traveling in a non-3G area and thats why its coming back intermittently as I live in a decent size metro area of Jacksonville FL and also because the areas I've been to this morning have always had 3G.. unless I'm wrong.. which I sure hope so..
BTW: I "downgraded" my Radio to 11.17 last night itself as one of the things I was trying to fix this issue. Just an FYI.
Here it is in a nutshell!!
Please note the following:
1) Got my new (unlocked) tytn II on dec 12.
*Sim in at 6:00pm. Had 3g & hsdpa till 10:00 pm. Went to bed.
*Dec 13th could not make calls or connect to data while on 3g.
*Calls would disconnect. Hsdpa message "the answering modem has disconnected "
* Switched back to gsm mode. Phone works but no 3g or hsdpa support.
*Dec 14 called att. Customer service said "unknown device" not supported.
*Transfer to data tech " Stated unsupported device" cant add the pda data package for $39.95. Stated my imei was blocked from 3g & hsdpa because of unlocked device status. But edge & gsm would work. Note edge & gsm modes work.
*Data tech said go to att store and get another branded att 3g device and use it to activate the pda data plan.
*I did this at 2:30 pm est. It worked for about 1/2 hour till 3:00 pm est. So much for my $39.95.
*Called att again & got a product support specialist(pr guy haha).he stated:
2) Att will not support an unlocked device.
*I said what about my $39.95???? I also said that i was a paying us att customer and was willing to pay for the high speed service. He said that they could no change my device unlocked status within the att network even though i was willing to pay for the data plan. I was pissed at that point. I told him that the hardware supports 3g & hsdpa and stated that att had locked a paying customer out of the 3g network. He said again "att does not support unlocked devices". I then asked him why i had access to the gsm & edge network and why att supported me on it and not 3g or hsdpa? I must have stumped him because he put me on hold. His reply after talking his boss was "att wil not support an unlocked device. We went back & forth like this until I Said "THIS IS BULLSHIP & HUNG UP.
* He call me back about an hour later because i threatened to switch back to verizon an stated " if you had the att original rom and if the phone was carrier locked it may change my device status" I said that I would give it a shot.
* Got the orig. att rom from here. Used sspl to apply cid per the reverting instructions. Phone said att 3g on startup & cid-8. Still no 3g. flashed hspl and bact to duttys rom 7.b for now.
In summary I can get the 3g & hsdpa signal but nothing works when connected! CAN YOU SAY CLASS ACTION LAW SUIT!!!
3G Test on AT&T network
How can we test if we are getting 3G speeds after changing our ROMs? I see the 3G and H logo's but don't think I'm getting the speeds.
Does changing the ROM unlock our AT&T phones?
Is there a ROM that is transparent to AT&T and allow us to use the 3G speeds?
Will reverting back to the AT&T Rom allow us to get the 3G speeds again?
newbie
Are you on drugs? , AT&T unlocks their phones, that does not matter , the reps you were speaking with are retarded they use a BILLING SYSTEM called TELEGENCE if you enter a IMEI wrong or of a unlocked device it gives back a UNKNOWN device message which means pretty much the reps can and if they dont want to , wont help you get your data working because they are lazy as ****. they do not block data on phones nor can they monitor your device to know what you are doing. their HLR's are only one way addressable.
Ok, I just upgraded to this ROM (cus duttys roms are amazing) after I read your post and...
I ran into some connection problems after my programs started looking for "my ISP" (isp.cingular) instead of "MEdia Net" (wap.cingular) In "advanced settings" in "connections" I re-set programs to run off MEdia Net, and it seems all is well
I think it might have switched when I was screwing with the comm manager and turned G3 off
DISCLAIMER: I'm a noob so take my advice with a grain of salt haha
No probs w/ ATT
My unlocked phone works just fine on the ATT network and i constantly get 3G UMTS and HSDPA speeds. Att does not block any device you are able to use on their network as they have roaming contracts with cell phone service providers across the world. If your device does not receive 3g speeds you can have your imei number added to the ATT allowed database just call 611 from your phone and talk to the service rep. If they give you any problem then call back and tell them you want to add the imei number of a wireless data card for computer and they will add that for you.
Must have been smoking the glass pipe!
Sorry folks.
This is a reception problem for me.
ATT really jerked me around.
The problem is a weak 3g signal.
If i dont have four bars 3g & hspda fail.
I went & sat under an att tower and everything works.
As soon as I drive away from the tower and the signal strength drops I loose 3g calling & Hsdpa.
Is there a fix.
trick420 said:
Seems that there's a chance that this is true:
http://info-safety.blogspot.com/2007/12/at-blocks-unlocked-phones.html
http://www.digg.com/tech_news/AT_T_Blocks_Unlocked_Cell_Phones
I personally don't have any issues on the network. I'm running Dutty No.6 AT&T. Does this problem apply to a CID unlocked phone, a SIM unlocked phone, or both?
Regards,
Jeff
Click to expand...
Click to collapse
How about this quote straight from the at&t CEO?
http://www.engadget.com/2007/12/06/atandt-claims-completely-open-network-too-the-most-open-eve/
Digg and random bloggers aren't really a good source. I remember the bullfrap article on Digg about Hummers being more environmentally conservative over a lifetime than any other green car.
have you tired having your sim card replaced? I had a similar issue where i was not able to call or receive calls in 3g but could on edge for a good day. Went to ATT and found out that others were having same issue with kraiser had them replace my sim card and everything worked great after.
Got 3G back and for good.... so far!
jellorice said:
have you tired having your sim card replaced? I had a similar issue where i was not able to call or receive calls in 3g but could on edge for a good day. Went to ATT and found out that others were having same issue with kraiser had them replace my sim card and everything worked great after.
Click to expand...
Click to collapse
thanks for the tip jellorice.. I actually got my 3G back since yesterday and its been working great ever since. As for the sim being faulty, Thats something I didn't even think of and now that you've mentioned it, I'll keep in mind for future troubleshooting as I'm sure some other issue will crop up.
Nevertheless, Dutty's ROM 6 is UNBELIEVABLY AWESOME!!! I'm sure Dutty's gotten numb to all the kudos he's got and still is getting, being in Gazillions... but I wish I had better words to describe this ROM as for someone like me who is virtually bringing food on the table because of the Tilt (heavy business user), the key strengths of his ROM are just Marvelous.
Sry for getting sidetracked.. I got a little exited there.

Phone ALWAYS roaming - driving me nuts!

Hey guys. This is a last attempt at fixing this very annoying problem. All the searches I have done don't seem to leave anywhere. So here's the situation:
I bought a Chinese clone phone (Sunno HDi - clone of HTC T8282). The phone comes with WM6.5 [5.2.23037 (build 23037.5.3.0)]. Overall the phone works great, and I have done a couple of YouTube videos on it.
But anyway - the really annoying problem is that from day 1 the phone has always shown that I'm roaming. I always get the little roaming triangle, which in turn makes several applications complain about roaming charges, blah blah blah. From my understanding, roaming is a feature of what's stored on the SIM card, and the info being pulled in from the tower. I have my T-Mobile SIM card in the phone, and I put up all T-Mobile networks I could find on the top of my preferred network list. What am I missing?
*Any* help will be greatly appreciated!
bipinsen said:
Hey guys. This is a last attempt at fixing this very annoying problem. All the searches I have done don't seem to leave anywhere. So here's the situation:
I bought a Chinese clone phone (Sunno HDi - clone of HTC T8282). The phone comes with WM6.5 [5.2.23037 (build 23037.5.3.0)]. Overall the phone works great, and I have done a couple of YouTube videos on it.
But anyway - the really annoying problem is that from day 1 the phone has always shown that I'm roaming. I always get the little roaming triangle, which in turn makes several applications complain about roaming charges, blah blah blah. From my understanding, roaming is a feature of what's stored on the SIM card, and the info being pulled in from the tower. I have my T-Mobile SIM card in the phone, and I put up all T-Mobile networks I could find on the top of my preferred network list. What am I missing?
*Any* help will be greatly appreciated!
Click to expand...
Click to collapse
i don't have tmobile, but on verizon we have to do an ota update (*228).. does tmobile have anything like that?? if so, did u try it?
ShakespearesEdge said:
i don't have tmobile, but on verizon we have to do an ota update (*228).. does tmobile have anything like that?? if so, did u try it?
Click to expand...
Click to collapse
That option in Verizon updates the PRL on the phone (preferred roaming list), which is a feature of CDMA phones. GSM phones do not have to do this. Well.. they should not have to... In either case, there isn't such an option on T-Mobile. That's why I'm wondering if this is something hard-coded in the ROM.
Thanks for the tip, though. Every little bit helps in getting rid of this annoyance!
bipinsen said:
Hey guys. This is a last attempt at fixing this very annoying problem. All the searches I have done don't seem to leave anywhere. So here's the situation:
I bought a Chinese clone phone (Sunno HDi - clone of HTC T8282). The phone comes with WM6.5 [5.2.23037 (build 23037.5.3.0)]. Overall the phone works great, and I have done a couple of YouTube videos on it.
But anyway - the really annoying problem is that from day 1 the phone has always shown that I'm roaming. I always get the little roaming triangle, which in turn makes several applications complain about roaming charges, blah blah blah. From my understanding, roaming is a feature of what's stored on the SIM card, and the info being pulled in from the tower. I have my T-Mobile SIM card in the phone, and I put up all T-Mobile networks I could find on the top of my preferred network list. What am I missing?
*Any* help will be greatly appreciated!
Click to expand...
Click to collapse
When I signed up my Sunno today with T-Mobile, I spoke with the representative about T-M's lack of coverage in my state which is one of the largest. While the competitor ads make T-M's 3G coverage look small, their actual coverage is probably about double that but still considerably smaller than most other carriers'.
The rep said not to worry as T-M has standard cellular agreements with the other carriers to allow phones attached to T-M to roam. He said that depending on where I live or travel, I could probably see the roam signal quite a bit but not to worry about it because I am on T-M's prepaid plan and roaming means no increase in my per minute charge.
To tell you the truth, I could care less about what symbol is displayed as long as I have cell coverage.

[Q] Lost data connection, trying to determine cause

I have the Sensation 4G, S-Off, using the Official SlimKat build 8.0-WEEKLY-6966, and I'm using the T-Mobile SIM through Straight Talk. I haven't had any problem with the phone or data connectivity before, I just had to scour the internet for the proper APN settings after buying the phone. That was a couple years ago.
I still have the ability to call and text, just no data connectivity. There are seven APNs available under "Settings", and when I switch to any of the others the phone picks up 3G/4G signals. I just can't connect to them since they're for different carriers like Metro PCS, T-Mobile, and Walmart Mobile. The signal disappears when I switch back to my carrier's APN. According to Straight Talk Support I'm not being blocked and I haven't gone over the 3GB monthly limit.
I'm going to T-Mobile tomorrow to see if anyone there will try their SIM in my phone to confirm the radio is still working.
My only other thought is that the problem is somehow software related. I haven't done anything other than update a few apps, but I didn't notice the problem until it arose the next day. It's been like this since Sunday.
Thoughts?

[Q] MVNO Selectel Issue No Voice Roaming / Can't update PRL

Question about Selectel Flash. Selectel Sims etc. I apologize up front if this is the wrong section for this thread. I posted as a reply in the General Section Thread about MVNO's but I believe that thread is dead or closed. If this breaks any rules of XDA please let me know and delete this thread. If is is forbidden I apologize up front. And I know this is a TLDR post, but please if you know anything about these matters, please read this post if you might be able to help. And if you just need some info about someone's experience trying to get cheap android phone service keep reading. Maybe you'll learn something from me.
I let a local selectel "dealer" flash my phone to Selectel a while back in Jan sometime. About a month or so later he had to re-flash the phone. Because I couldn't make calls at all. He said this was because the guy working for him did the flash incorrectly and so he fixed it. After reading up on Flashing a bit but still not knowing enough about it, I decided to start using a partition backup tool from the store to backup a slew of partitions including EFS, and all the Modem* partitions. I backed up a bunch of others as well, just not data, system, or cache. He left the VZW sim in.
Now since then, I've flashed a number of roms. And sometimes I'd have an issue where my number and other info in status would be gone. At this point I restore EFS, usually just this one partition and everything would be back to normal. Selectel Number and everything else would work. Now I'm having this issue again but my info is in there. This time, I can't make or receive calls or texts in my home "roaming on a regional tower" area. This always worked fine before. Now at home it says Voice out of service / Data in service. This is at home. When I drive 20 minutes up the road to some different but still not verizon towers I believe, I can make and receive calls just fine. Also in the guys shop using his extender, I can make and receive calls fine. He gave me a T-mobile sim, for what I don't know, but this didn't fix anything. Now he's expecting to receive his selectel SIMS and says that might fix my issue. If not I'll have to do another flash. I can't afford to pay for another flash, being laid off work and unemployed I can barely afford the 15 dollar plan for selectel.
Anyway, I'm wondering if anyone else has came across this issue, and if so do I need to reflash? Is there a way I can fix it myself? I have downloaded a bunch of tools for windows mostly (I use linux mainly, but dual boot into windows for AutoCAD and other things that just don't work well in Linux). I've seen a ton of flashing tools online as well many of which seem to do the job automagically almost. Any suggestions? I was thinking PRL.. Of course, but after reading the first few posts of this thread, i saw the don't try to OTA program information. One guy at the store actually recommended doing that but I didn't. he said *22891 to update roaming which I think is the PRL.
Any Help will be appreciated as always. If anyone here can fix it remotely cheap, let me know. Also, he's blaming my Kitkat rom. I've used this KitKat and others in the past with no Issue at all. But for ****s and giggles, I restored a TW 4.3, the latest Alliance Rom, to no avail. it does the exact same thing. I can use the phone in town or near an extender but not anywhere that I might roam.
Thanks a bunch.
griz
Update since my original post:
I've talked to both selectel and the local selectel dealer, the dealer said his selectel sims are in but won't be ready for a few more days. I'm guessing but don't know for sure, that this could fix my isssues. I doubt it.
I restored a nandroid of a stock based rom (alliance), to try to update the PRL over the air a while back while I was in an area where I knew there would be Verizon towers. It wouldn't update because I didn't have a sim inserted. The dealer took my Verizon SIM and gave me a t-mo sim which didn't help anything at all. I stopped by there Sat 05-23-15 and he gave me a verizon sim to see if it would update using his network extender. I do know he does activation over the extender because I've been there when he's done this. He activated a dumb phone in this manner. I'm very frustrated at this because I need a permanent number to use for job contacts and my home based business doing freelance IT work. I'm not 100& sure the PRL is the issue but it seems that way because I can make calls and receive texts as soon as I get near a VZW tower or extender. At home however where there's only a regional carrier called Appalachian Wireless, it just roams, and says Voice out of service / Data in Service. And as soon as I get away from a Verizon Tower the phone will say this in About Phone / Status.
All my original data should be there because everything show's up correctly in About Phone, My IMEI, MEID, MIN, and Number are correct. He did have to flash the phone to get it to have 3g, so the MEID that shows up isn't for an S3. My IMEI is the one that came with the phone. I asked him and selectel about the legality of flashing the phone and having a donar MEID number or whatever and both said that's fine. They acted like it was completely legal, I'm not so sure. But again, both Selectel and the Dealer told me it was Okay to do that.
I've found some software on here that I can use to update my PRL with a downloaded one but I didn't know what SPC to put in for Selectel I know that with VZW it's all zeros's. Selectel customer service couldn't tell me this and told me to ask the dealer, I did and he said I could use all zero's as well.
I'm wondering if anyone has any suggestions at all, and if you think that once I get a Selectel SIM if it will work. The local dealer told me after I asked, that it would contain all my information, like those numbers I mentioned before and that it could fix it, but of course he says I've messed it up by flashing my phone. The thing is. I have lost all my info after flashing a rom in the past. However, I use a partition tool to backup EFS and other partitions and when I restore the EFS, (from when it was working and roaming), everything worked fine. Also, I know that I've used the rom he questioned in the past with success. I've tried Nameless, Slimroms, Liquid, and a few Lollipop roms with success as long as I restore the aforementioned data when necessary. Doing nvrestore (I had already done nvbackup long ago), doesn't help,. in fact it wipes everything out and I have to manually restore the EFS partition.
I understand that the PRL isn't the answer to everything but it's the only thing I can think of that would affect roaming. I have read that you shouldn't do any kind of OTA activation using *22890 *228 and so on but that I can use *22891 according to both Selectel and the dealer. The dealer wants to reflash the phone for 35 dollars which I can't afford at the moment. I can barely scrape up the 15 dollars for the cheap selectel plan.
On antoher note: I tried using an X2 with tracfone which worked great but wouldn't roam either. Kinda like what i'm experiencing right now. After calling Tracfone, I was told that none of the BYOP Android phones would roam. And one of their reps said their android phones like the Moto E wouldn't roam on non vzw towers either, because before I had my sgs3 flashed to seletel, I was going to get a Moto E Tracfone from Ebay with 2000 minutes and a year of service for 89.99 when they first came out. I didn't want to spend the money on it if it wouldn't roam. Does anyone know if this is in fact true, I can't see tracfone selling android's that won't roam. But I suppose they do. I was then told when I got a partial refund from Tracfone that only their Dumb phones would roam on non-vzw towers but again, this doesn't make good business sense nor does it make asnse at all. I've found a decent Net10 android at a dollar store (Moto E) I believe, for 79 on sale, but again, if it won't roam then it's worthless to me. Any Experience with this? I've searched and searched the internet for information on this subject to no avail. Especially the "Voice out of Service / Data in Service" message in Status.
Again, if I'm not in the correct section please let me know. Finally, I'm very sorry I'm so long winded. but those that know me know I'm long winded in every post I put up here. Sorry about that. I know I know TLDR, but I hope someone reads this and knows a thing or two about this.
Thanks once more.
griz

Samsung A515F unlocked TPA to AT&T USA, what to expect?

I'd like to get Wifi calling, Visual Voicemail, and 4g on an unlocked A515F.
As of now the phone reports itself as this:
Baseband A51FXXU3BTH5
Service provider (stuff) TPA TPA TPA TPA
Network AT&T
Moble network state disconnected
Service in service
IMS not registered
Mobile voice LTE
Mobile data LTE
VoLTE seems to be on? I thought this doesn't work on unlocked phones.
Being new to this the providers are all over the map on all kinds of stuff regarding unlocked phones. (AT&T rant I'm sure many of you have been here Grrrr.)
Network mode auto is LTE/3G/2G, there is no 4G option (as I believe in my research is how it is with unlocked phones)
So, I suppose the question is, if I follow the steps outlined in this thread:
https://forum.xda-developers.com/galaxy-a51/how-to/guide-how-to-change-csc-a51-t4129243
and flash the AT&T firmware, will I get 4G, Visual voicemail, and WiFi calling? As well as whatever the heck ATT disables for unlocked devices.
Will this require another trip to the store and a 4G SIM put in there?
New to this, but I have tried to research this as much as I could. Thanks for all the info.
Steve
Forum?
Have I put this in the wrong sub forum? Should it be in the firmware flashing forum?
First don't need to flash anything unless you want to waste your time with bloatware.
What you have to look into for your service desires, is do you have wifi in your service plan? If yes, did you activate it on the A51 you are using? (Also make sure your sim card is sim 1)
Also you don't have to use any provider's visual voicemail to get it for your phone. I've used YouMail for about 2 decades.
As far as lte & 4G. My phone is from same csc TPA TPA/TPA. I've seen both 4G & 4G LTE on my service. So your question about that was a little vague. But U.S. providers (at&t or tmo) won't tell you 90% of the time that you have to get 4G LTE sim card & pay for a 4G LTE service plan on order to get it.
Thanks for the reply.
It's sim 1. IMS not registered my be the issue, ill call ATT tomorrow.
I've been able to get visual voicemail back by installing the APK. The play store says it is not compatible with my device, APK was fine. I will check and try what you suggested.
Yeah, it might get a few chuckles here but i've had a S5 for years, and replaced it 3 times with ebay s5's. Love it. Initally i just popped my old iphone 4 sim in there and used it forever. I never had wifi calling and when i attempted to enable it it said the sim was the problem.
Imagine my surprise after going to the store and getting the proper sim i see the 4g icon appear and wifi calling, etc. All these were ATT firmware phones, on power the logo pops up, bloatware, etc on the S5's. Miss it already. What am i going to do with all these batteries and chargers?
This has been a different thing. Being in the States, not traveling overseas (at this time i believe no one will have us anyway) and this unlocked phone. As far as bloatware goes, its still kinda there in one way or another. Clicking on a link within chrome forces samsung internet every once in a while. Yeah, there is no real extra stuff on the device as it is. Its just weird.
Getting a sim for this at the store took a little more time then I thought it would. The employee was checking out the phone for a little longer then just handing me a sim.
I've changed the APN, possibly to the incorrect settings, to get 4g and wifi calling bacK. But that seemed to knock out any mobile data. Granted I may have entered the wrong settings. I'll look for others.
What's really confusing is the lack of these things. Is this phone cabible of 4g in the hardware? Wifi calling seems to be a forced ATT unlocked thing.
Sorry, long winded. This article states that when I am seeing the 3g lte it is really 4g.
Egads, link without 10 posts wont let happen. It's the B&H photo article regarding unlocked phones.
The wireless calling is not happening. Is this inherent to unlocked phones on ATT? VoLTE is on as far as the settings tell me. I'll poke around some more.
Many thanks
Steve
4g was on the S5 so i would assume it was part of the plan. Switching to the nano sim A51 should not knock that out.
I've read so many posts here, as i know my questions are pretty basic compared to other discussions, so thanks again.
If you'd like to discuss the numerology hidden in octal permissions let me know
If there was a screenshot of the mobile networks
Data roaming off
VoLTE SIM1 On
LTE/3G/2G (auto connect) checked
3G/2G (auto connect)
3G only
2G only
Yeah, I just bricked it ish. Tried the A51U-1 At&T firmware USA. I'm downloading the Italian Samsung firmware to get it back I hope. "Only official binaries are allowed".
The phone was in emergency mode and showing the PIT error with the A51U1 firmware.
The Italian firmware set uploaded fine. Now only it only shows a white circle with the little lightning bolt inside if connected to a usb cable. Computer wont recognize it. Resetting it vol down and power/bixby key turns the display off for a sec but it comes right back to the same thing. This is bricked huh. Any ideas?
Holy cow I held the vol down buxby bixby button down as I removed the usb cable I am getting the factory data reset screen. Maybe there is hope.
Yeah same thing again. If anyone has this issue you can at least get back to factory reset by holding the buttons and quickly yanking the USB cable out when the charging logo disappears.
-edit again
Recovery mode vol down + power. When it blanks keep the power button down and push vol up.
I wonder what to try in the choices.
Wipe cache?
Reboot to bootloader?
Im looking at the last log there is a whole lot going on. At about 80% of it is shows a ******FILE SYSTEM MODIFIED****, then it looks like its setting the octal permissions on a bunch of stuff, then it looks like it cant find /etc/firmware/calliope_sram.bin and from a bunch of other places in the filesystem.
After about 87% it looks like it is basically describing how it is displaying the recovery mode screen.
Displayed is samsung/a51nsxx/a5111/RP1A.200720.012/A51FXXU4EUC8
The phone came as an A51F. Was trying to flash to A51U1(ATT).
-Edit again.
I have hope for this but I am aware I am a flippin second from bricking the device. Any input is highly appreciated.
Steve
I will attempt this if I can find the download screen,
[RECOVERY] TWRP For Samsung Galaxy A51 SM-A515F One UI 3.0 DUB1 Android 11
Assalom-o-Alaikum! How to Root and Flash TWRP on Samsung Galaxy A51 SM-A515F Android 11 – Build number DUB1 – Android security patch level: February 1, 2021. The TWRP version is 3.5.0 developed and brought to you by [email protected] senior...
forum.xda-developers.com
looks like is TPA for Panama, Downloading firmware through Samsung firmware downloader. But I would like the USA ATT firmware so I can have 4g and wifi calling. OMG Im gonna brick this thing.
Reboot computer and phone reboots into Cyrillic I find this rather funny at this point. But it is the phone setup screen and routine.
edit-- Hilarious. Didn't even install the Panama TPA firmware unless Samsung Firmware Downloader did it by itself while I was taking a nap. Cyrillic boot? looks like it is on the network at least I think can talk to someone been a lonely couple of days.
edit again== This is a linux computer that can make phone calls. WTF is the deal here. Really? All this stuff? I'm exploring all the custom ROMs and whatnot here in the forums. All I wanted was 4G and wifi calling. That is what my S5 did and I loved it. The S5. Flippin old phone but a fun one. Thousands of dollars to ATT over the years and they wont turn this phone to 4g on for me?
Thanks for everyone that has put effort into this that is amazing I really cant thank you enough.
edit yet again. Maybe flashing the firmware I have to wait for a couple of hours for it to fire up? I am assuming everything I am doing is wrong.
Can do... https://forum.xda-developers.com/t/guide-how-to-change-csc-on-a51.4129243/
LOL welcome to Yandex love from Los Angeles xoxoxoxo. Veppine miatsen? Ya gavira pa Ruski?
Well I see the LTE and 4G icon at times now, Dunno about wifi calling tho.
Network AT&T
Mobile network state Disconnected
Service state In service
IMS registration state Not registered
Voice and network type LTE
Also android 11 I may have been 10 before?
No bloatware but the Yandex stuff.
No ATT logo on startup.
Again thanks for all your work and knowledge on this stuff, I'll poke around some more and see what firmware is actually on there. It says SM-A515F/DS.
Oh! A515FXXU4EUC8.
SER/SER,SER/TPA
Again thanks - ramblings form a newbie.
SER CSC, well that explains Yandex.
adeptustech said:
First don't need to flash anything unless you want to waste your time with bloatware.
What you have to look into for your service desires, is do you have wifi in your service plan? If yes, did you activate it on the A51 you are using? (Also make sure your sim card is sim 1)
Also you don't have to use any provider's visual voicemail to get it for your phone. I've used YouMail for about 2 decades.
As far as lte & 4G. My phone is from same csc TPA TPA/TPA. I've seen both 4G & 4G LTE on my service. So your question about that was a little vague. But U.S. providers (at&t or tmo) won't tell you 90% of the time that you have to get 4G LTE sim card & pay for a 4G LTE service plan on order to get it.
Click to expand...
Click to collapse
Welp, now
A515FXXU4EUC8.
SER/SER,SER/TPA
Twrp as ap.
Force encrypt,
Magisk,
Then what? Odin U or U1 firmware wont that overwrite ap? Agh.
Extract PIT from the working firmware and pit tab? Agh.
Consider myself lucky running SER TPA firmware?
Am I about to trip Knox?
Welp, getting the 3G going away feb 2022 messages from ATT even though it does display the little 4G icon at times. Called Att they say they can see the imei. They say sending a new phone. Not an a51 who knows. Most likely some thing that up the account to $100 a month.
Be warned the you will loose everything is real on firmware flashing but weird. Thought i copied the entire filesysyem but things dropped out
.
This is an old model phone so i understand and my first shot at flashing it. Probably try again as i think i did not flash the u1 correctly. Still can talk, text, whatever. Frustrating, old phone, who cares.
Ah they sent me a S10e for free no complaints. Ill try the att a51 firmware again nothing to loose at this point see what happens and follow the guides.

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