Help with radio, please - Honor 8 Questions & Answers

After having issues with some SMS texts not being sent (using messaging app), the phone has been returned to me (purchaser of the phone/gift) so he can return to his old, but dependable, 4S. Before I sell this nearly new device, I'm trying to track down possible issues. We're all on GoPhone plans. Using a network info app, I notice the signal speed of my sim in the H8 is different than what it is when in my N5X. On my N5X, I dial *#*#4636#*#* and the radio info opens. That doesn't work with H8. Can anyone provide the dial code?
Nexus 9

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Sprint integration vs. porting

If you integrate your sprint number to Google voice and then terminate you contract do you keep your number? If not, what if you wait and just leave after contract?
Sent from my Nexus S 4G
Bump... anyone?
Sent from my Nexus S 4G
All integration is doing is replacing the standard vm with gv vm. That is if you're talking about sprint and gv. I don't know for a fact but that sounds logical. If you go to another carrier, and want to keep your phone number from original carrier, you have to go to the new carrier and tell them you want your old number on their service. Once they do what needs to be done, your service with the original company will be shut off. You do not need to do anything to make this happen with the original company. The original company will send you a final bill and you pay it. The porting process just takes a few minutes to go through and it's done. Your old number is on your new service.
Integration does a bit more than just replace VM. You're able to SMS from the GV site, app, chrome extension etc as well as receive calls from your sprint number on gmail.
Yep... I ported my number, but kept my default SMS app on my phone, but can still use GV on the web to text. So I can still get my MMS without hassle of forwarding to my email. Also I was under the impression that since its ported that you can't lose your number since its on google and not to the carrier. Myth? Thought I heard that on TWIT AAA. So even if you change carriers you could just set up your google voice no matter what your new phone number is since you can use your old one in its place. Make sense?
Sent from my Nexus S 4G
mustangboy88 said:
Yep... I ported my number, but kept my default SMS app on my phone, but can still use GV on the web to text. So I can still get my MMS without hassle of forwarding to my email. Also I was under the impression that since its ported that you can't lose your number since its on google and not to the carrier. Myth? Thought I heard that on TWIT AAA. So even if you change carriers you could just set up your google voice no matter what your new phone number is since you can use your old one in its place. Make sense?
Sent from my Nexus S 4G
Click to expand...
Click to collapse
That would be correct
Sent from my Nexus S 4G
Well I understand the benefits of porting the number to GV but my question was is it any different than Sprint integration? Is it permanently ported or do I loose it if I break the contract and have to port that number before I change carriers?
There could be a difference.
Sent from my Nexus S 4G
I would call Sprint and ask them. Remember that you can receive SMS and MMS through the native app and still have your number integrated is a feature that someone "not" on Sprint has the ability to do.
Also you have 90 days to try your number integrated before you lose your old google voice number. So you can always go back.
Sent from my Nexus S 4G
Yeah. I can definitely ask sprint but chances are I'll get some moron who doesn't know anything or will lie to me just to get me off the phone.
I was hoping I can get someone here who has done it and can confirm.
Sent from my Nexus S 4G

D6603 on AT&T Not Receiving Calls/Texts (Intermittent)

I have seen similar posts of this issue with the Z3 and Z3C, but I wanted to post my experiences and see if anyone that has this issue has been able to resolve it.
I have an unlocked D6603 that I purchased directly from Sony US. When I received it, I got a new LTE SIM from AT&T, but did not give them the IMEI from the Z3. I activated the SIM and still have my old phone's IMEI listed as the device (LG G3). I inserted the SIM card, downloaded the APN settings, rebooted the phone, and everything was working great.
When I got home from work the next day, my wife said that she had called and sent me text messages that I did not receive. I rebooted the phone and all of her texts (as well as texts from other people) came through. This happens almost every day, and sometimes multiple times in one day. I either have to reboot the phone or change the network settings from LTE to WCDMA for the texts to come through.
One thing just noticed while making an incoming call.. My Z3 has full LTE signal, but when the call is coming in, it immediately switches to HSPA, and when the call is disconnected, it immediately switches back to LTE. Not sure if that's normal behavior or not, but figured I would include it in this post.
Same issues with AT&T. Intermittent calls and texts. It's thanks to AT&T's archaic verification system. Because you don't have a bloated AT&T issued device, you need to keep your old (AT&T issued device) IMEI to be able to get LTE signal for data. If you give them your current Z3 IMEI, you will always receive your texts and calls on time but you will not be able to get LTE because your IMEI is not registered in their database. It's a classic case of a carrier advertising "bring your own devices to our network but we won't load your IMEI so you can access the services you actually pay for", pathetic. T-mobile and Verizon actually offer the device but AT&T won't. Also, AT&T does not offer voice over LTE so your calls will always be 3G (H or H+) when connected and when disconnected your phone will go back to LTE for data. You have two choices with the extortion king, AT&T. Update IMEI and get all calls and texts in a timely matter while forfeiting LTE or leaving your old IMEI and get LTE but miss calls and texts. Ridiculous.
My situation is exactly like the op except i dont miss calls and recieve all my text, so something must not be right, have u tried flashing a differnt ftf?
Multiple, doesn't change anything.
Has anyone tried to use a Z3 IMEI in the last month? I know that when it first came out, it was an unrecognized device for purposes of LTE, but at some point that will change. For example, I am using a Z2's IMEI right now, and that certainly is not an AT&T device.
augie7107 said:
AT&T. Update IMEI and get all calls and texts in a timely matter while forfeiting LTE or leaving your old IMEI and get LTE but miss calls and texts. Ridiculous.
Click to expand...
Click to collapse
I changed the IMEI on my AT&T account to match my Z3's IMEI, since I would prefer to receive all of my calls and texts over having LTE. After making the change and rebooting my Z3, I still had an LTE connection and I did not experience the missed calls/texts for a few days. Yesterday, I did not receive any texts or calls so I rebooted the Z3 and texts started coming through. So it appears that using the Z3's IMEI is still preventing calls and texts from arriving.
nirvanayoda said:
Has anyone tried to use a Z3 IMEI in the last month? I know that when it first came out, it was an unrecognized device for purposes of LTE, but at some point that will change. For example, I am using a Z2's IMEI right now, and that certainly is not an AT&T device.
Click to expand...
Click to collapse
After adding the Z3's IMEI, it is still showing as an unknown device with AT&T, yet it does get an LTE connection.
svnyster said:
I changed the IMEI on my AT&T account to match my Z3's IMEI, since I would prefer to receive all of my calls and texts over having LTE. After making the change and rebooting my Z3, I still had an LTE connection and I did not experience the missed calls/texts for a few days. Yesterday, I did not receive any texts or calls so I rebooted the Z3 and texts started coming through. So it appears that using the Z3's IMEI is still preventing calls and texts from arriving.
After adding the Z3's IMEI, it is still showing as an unknown device with AT&T, yet it does get an LTE connection.
Click to expand...
Click to collapse
I just picked up a Z3 straight from a Sony store last week, stopped by an AT&T store first to get a nano sim which they handed me with no question asked but I didn't activate right away as I still had my ion on....
Once back home inserted the nano sim in the Z3 called AT&T to activate the sim, they sent me a text to verify my account and the settings were downloaded to the phone, they asked me if it was a new phone, just told them no just a new sim in my old phone...right away I noticed that I didn't have LTE at all, so went into the APN setting which were a bit different that what I had in the xperia ion, deleted the APN that was downloaded by AT&T to my phone and entered the ion settings manually into the Z3 and right away LTE was back....not a single problem receiving calls/texts and LTE on full time since then...
APN settings (the difference is in the name of the APN from what was downloaded by AT&T if I recall correctly)
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The same issue is affecting me too. I also have the D6603 on AT&T network. Don't bother asking AT&T for help, they will say nothing is wrong w/ their network (which I think is technically correct). This sucks because I was motivated by their bring your own device promotion only to be disappointed that they can't help resolve this issue.
Anyway, turning LTE off made the calls and texts more timely for me. So the easy workaround is to add the LTE toggle quick setting button so you don't need to click a few places to get into settings > more... > mobile network setting > network mode > to turn off LTE. This should default you to WCDMA/GSM when LTE is off by the way. I think the speed is somewhere between 3G and definitely not as fast as LTE, but not unbearable either.
This is still a pain in the butt given that we freaking PAY for LTE, but it's a simple work around (for now at least...)
svnyster said:
I have seen similar posts of this issue with the Z3 and Z3C, but I wanted to post my experiences and see if anyone that has this issue has been able to resolve it.
I have an unlocked D6603 that I purchased directly from Sony US. When I received it, I got a new LTE SIM from AT&T, but did not give them the IMEI from the Z3. I activated the SIM and still have my old phone's IMEI listed as the device (LG G3). I inserted the SIM card, downloaded the APN settings, rebooted the phone, and everything was working great.
When I got home from work the next day, my wife said that she had called and sent me text messages that I did not receive. I rebooted the phone and all of her texts (as well as texts from other people) came through. This happens almost every day, and sometimes multiple times in one day. I either have to reboot the phone or change the network settings from LTE to WCDMA for the texts to come through.
One thing just noticed while making an incoming call.. My Z3 has full LTE signal, but when the call is coming in, it immediately switches to HSPA, and when the call is disconnected, it immediately switches back to LTE. Not sure if that's normal behavior or not, but figured I would include it in this post.
Click to expand...
Click to collapse
Did you try setting your apn manually?
Delete whatever was downloaded by AT&T and enter the one I posted...I don't have a single problem since
-DM- said:
Did you try setting your apn manually?
Delete whatever was downloaded by AT&T and enter the one I posted...I don't have a single problem since
Click to expand...
Click to collapse
I did try your APN settings, which seemed to work at first, but the issue came back after a day or two.
I contacted Sony about it and they are placing the blame on AT&T. They also had me do a software repair using the Sony PC Companion software. I'll have to test it for a day or two to see if I continue to have problems or not.
svnyster said:
I did try your APN settings, which seemed to work at first, but the issue came back after a day or two.
I contacted Sony about it and they are placing the blame on AT&T. They also had me do a software repair using the Sony PC Companion software. I'll have to test it for a day or two to see if I continue to have problems or not.
Click to expand...
Click to collapse
still receiving calls and texts just fine but can't answer anymore as I have a different problem now...the phone took a dive from a cliff (literally)
First time I drop and break a phone but also first that I buy insurance, took the" protection plus" when I was at the Sony store, kinda hesitated at first but went for it finally, glad I did now, getting a new one mailed and waiting for it to arrive...
My issue was fixed
I had the same problem for the longest time with all official roms and Slipsystem's. I installed the unofficial CM 12 and the problem disappeared. It is something in the official stuff that messes with it.
I'm on att and don't have this issue at all. Store used a s5 imei when i switched
I have to disagree with some of the comments above. I'm on a D6603 in Texas purchased from the Sony online store several months ago. Had to go to a store to get the new sim card anyway and the salesman registered the phone using the IMEI off the box. The Z3 was added as a new phone on the account (I wanted to take my time moving stuff plus I intended to port my old number to Google Voice anyway). I did the setting option to download the APN myself a few minutes later. The Z3 shows as unknown model on ATT online but LTE data works fine and I've had no problems receiving/making calls or messages. So, using the z3's real IMEI is NOT the problem. Perhaps the problem is some setting that doesn't get reset properly when switching an existing phone whereas adding it as a new line avoided that?
@svnyster @augie7107 @pbsteebs @nirvanayoda have you found a solution to this problem?
here's my experience.
1. I have a straight talk sim card (it uses ATT network) and I experience the same problem.
2. My Xperia Z3 D6603 has LTE coverage, but after a while - even with signal at 2/3 bars - it doesn't receive calls or texts until I restart it, switch airplane mode on/off, or toggle LTE/3G.
3. I know for sure this is not related to the rom I'm using: the phone was in stock conditions (kitkat 4.4), then I rooted and installed a debloated stock lollipop rom... still the same problem.
4. I also know that this is not a sim card issue: we have 2 Xperia Z3 phone (one is my wife's). If I swap my sim card in her phone I have no problem, and call and sms get through. So only one of our Z3's is affected by this problem.
5. Finally, the only way I found to work around this was to switch to WCDMA (preferred)/GSM (instead of LTE preferred/WCDMA/GSM). In this case i receive all calls and sms but I have to give up LTE.....
Any thoughts?
Thanks a lot for your help!
MrYous said:
@svnyster @augie7107 @pbsteebs @nirvanayoda have you found a solution to this problem?
Click to expand...
Click to collapse
I actually ended up switching devices, because I was unable to do my daily work without consistent LTE, and I got tired to switching between LTE and WCDMA.
Everything I read from AT&T shows that the LTE bands they use are 2, 4, 5, and 17, which the D6603 has all of those bands. However, my new device (Samsung Galaxy Note 4) also includes LTE Band 12, which the D6603 does not support. I know that Band 12 is used by T-Mobile, but if AT&T is using this band in certain areas, that could possibly be part of the explanation of why we're having this issue.
Thanks @svnyster!
I also don't think that switching between LTE and WCDMA is acceptable.
But what confuses me is that we have 2 Z3s and only one of them has this problem...
Any idea if unlocking all bands as suggested here would help?
http://forum.xda-developers.com/cro...ad-progress-please-leave-im-updating-t2871269
Thanks again.
Pretty sure it has something to do with how AT&T recognizes your IMEI. Check your account and see what icon shows for both devices. If they are different, that's the culprit. I can't get calls and messages with LTE enabled on my Z3. Fine with 3G. My solution was to leave LTE off until I needed it to stream outside of Wi-Fi. AT&T recognizes my IMEI as a flip phone. I have a HTC M9 as well, unbranded edition, and AT&T recognizes the IMEI as a M9 and calls and messages come through immediately even though LTE is switched on.
i've resorted to leaving LTE off and using the H+, which someone explained is sort of like 3.5G but not quite 4G. At times I'll turn LTE on when I want to watch a video and am unable to connect to wi-fi. Sometimes I'll forget to turn LTE off, and find out later friends were trying to reach me but couldn't. As a result, for me, leaving it off is better (so I can be reached for clients or emergencies).
Still, I realize this is unacceptable, but AT&T does not support this phone (or sell it), so at the end of the day, it's my problem for wanting this phone in the first place. Don't get me wrong, I still like it a lot, but this issue and others are becoming a headache that Sony and AT&T could've gotten right from the get go.
Also, I did upgrade the Z3 to Lollipop. I've noticed the battery draining a bit quicker. Instead of having ~50% by end of day, I'm not at 25% levels. Not quite dead, but I still feel the urge to charge mid day when before I didn't have that urge.
Still, I like being able to move (some of) my apps now to the SD card, freeing up the barely 16 GBs on the phone.

[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?

Missing a ton of incoming calls when using internet.

Ok so its bad enough I cant talk and surf or receive data messages or notifications while on the phone.... Had to get over that...lol
To make it worse some days I am not getting incoming calls!!!!! I will get voicemails and text from people saying they tried to call me. I noticed this happens a lot when I use the internet...Even does it sometimes without me using the internet. Even test called from a land line and sure enough it rang through the land line but my note 5 never rang.
Anyone else having this problem??????
wow seems to me like samsung dropped the ball
Yes i am i think i am going to unroot but now with not getting samsung pay back i don't know.
gn4life84 said:
Ok so its bad enough I cant talk and surf or receive data messages or notifications while on the phone.... Had to get over that...lol
To make it worse some days I am not getting incoming calls!!!!! I will get voicemails and text from people saying they tried to call me. I noticed this happens a lot when I use the internet...Even does it sometimes without me using the internet. Even test called from a land line and sure enough it rang through the land line but my note 5 never rang.
Anyone else having this problem??????
Click to expand...
Click to collapse
I just came across this thread by chance. I am having the exact same problems though initially thought that my network provider (in the UK) made a mess of things when switching my number to a nano sim. It is simply the most annoying problem ever, though I have yet to identify whether this is a problem with the handset or the software. I regularly get messages stating that I have "X" amount of voicemails and have even conducted a similar test to yours with the same result. For the record my handset is the N920c (I'm assuming you have an american variant) which would hopefully imply that this is a software issue?
EDIT:
There are several ways to try and fix this, though so far I none have worked for me (particularly because of my variant of Note 5). It seems we are not the only ones who have had this problem - a quick google search indicates people with various phones on various networks over the course of the last 5 years have had this problem and the fixes are very generic:
- Try and disable VoLTE (Voice over LTE) under call settings - this seems to be the most common fix.
- Get a new nano sim from your service provider.
- Ask your provider to disconnect then reconnect your phone from their network.
- Disable the "do not disturb" option under settings (if there is one.).
Mitha88 said:
I just came across this thread by chance. I am having the exact same problems though initially thought that my network provider (in the UK) made a mess of things when switching my number to a nano sim. It is simply the most annoying problem ever, though I have yet to identify whether this is a problem with the handset or the software. I regularly get messages stating that I have "X" amount of voicemails and have even conducted a similar test to yours with the same result. For the record my handset is the N920c (I'm assuming you have an american variant) which would hopefully imply that this is a software issue?
EDIT:
There are several ways to try and fix this, though so far I none have worked for me (particularly because of my variant of Note 5). It seems we are not the only ones who have had this problem - a quick google search indicates people with various phones on various networks over the course of the last 5 years have had this problem and the fixes are very generic:
- Try and disable VoLTE (Voice over LTE) under call settings - this seems to be the most common fix.
- Get a new nano sim from your service provider.
- Ask your provider to disconnect then reconnect your phone from their network.
- Disable the "do not disturb" option under settings (if there is one.).
Click to expand...
Click to collapse
I called sprint store ( my service provider)... they told me they never heard of that issue before with the note 5. Yes i have an American Samsung Note 5 through them.
They had me dial ##72786#.....This did some type of update to my phone and I think disconnect then reconnect my phone to their network.
Not sure if this did anything will have to wait and see. I did have to use my internet to show a store an online coupon....and for once it worked in a timely manner. So use to this phone never working when I need it to.
Overall my internet or phone does not work in the places I use to be able to use my Note 2 in everyday. Have no idea if its a Sprint or Samsung issue... Leaning towards Sprint. Just sick of it... If anyone else offered truly unlimited and unthrotled data I would switch in a second. I wouldn't even switch I would just stick sprint with the remainder of my contract and eventually get it removed from my credit report...
Some other issues I was having...
-random resets sometimes several times a day
-Erratic battery life...
-Would take AT LEAST 20-45 seconds before it would dial an outgoing call
The reset might of fixed these...
gn4life84 said:
I called sprint store ( my service provider)... they told me they never heard of that issue before with the note 5. Yes i have an American Samsung Note 5 through them.
They had me dial ##72786#.....This did some type of update to my phone and I think disconnect then reconnect my phone to their network.
Not sure if this did anything will have to wait and see. I did have to use my internet to show a store an online coupon....and for once it worked in a timely manner. So use to this phone never working when I need it to.
Overall my internet or phone does not work in the places I use to be able to use my Note 2 in everyday. Have no idea if its a Sprint or Samsung issue... Leaning towards Sprint. Just sick of it... If anyone else offered truly unlimited and unthrotled data I would switch in a second. I wouldn't even switch I would just stick sprint with the remainder of my contract and eventually get it removed from my credit report...
Some other issues I was having...
-random resets sometimes several times a day
-Erratic battery life...
-Would take AT LEAST 20-45 seconds before it would dial an outgoing call
The reset might of fixed these...
Click to expand...
Click to collapse
So it seems that getting your line disconnected/reconnected has also worked for several other people too; which correlates with your experience. Let me know how it has been performing since the reset/re-connection if you can. Whilst I haven't had the random resets I do get inconsistent battery life and I definitely still have the 20+ seconds dial out problem. Like I said, I have found threads were people have had the exact same problem over many years with different phones/providers which leads me to believe it has something to do with the way companies set-up a new phone line for customers.
Mitha88 said:
So it seems that getting your line disconnected/reconnected has also worked for several other people too; which correlates with your experience. Let me know how it has been performing since the reset/re-connection if you can. Whilst I haven't had the random resets I do get inconsistent battery life and I definitely still have the 20+ seconds dial out problem. Like I said, I have found threads were people have had the exact same problem over many years with different phones/providers which leads me to believe it has something to do with the way companies set-up a new phone line for customers.
Click to expand...
Click to collapse
Did not work still missing a ton of incoming calls. Important business calls at that..
I have the same exact problem. I am leaning towards samsung for this. My wife's note 2 is always ringing and my note 4 and 5 is right next to it and doesn't ring when I try calling.
Sent from my SM-N920P using XDA Free mobile app
I have the American variant of the note 5 for sprint & never had that problem & my phone is rooted running moar rom v1.3
Im having issues too with signal drops, is like samsung doesnt recognize quick when 4g switches to 3g a 2g and it freezes on 4g not letting me watch anything until it switches to 3g and everything starts running again...in some cases it will just drop all data..i called and they did all they can do and still having the issues...anyone know how to end lease returning phones brand new and not having to pay full price of the phones??
randy021186 said:
I have the same exact problem. I am leaning towards samsung for this. My wife's note 2 is always ringing and my note 4 and 5 is right next to it and doesn't ring when I try calling.
Sent from my SM-N920P using XDA Free mobile app
Click to expand...
Click to collapse
Exactly. Been saying in every thread how my Note 2 never would do this. Missing IMPORTANT calls is not an upgrade.
smallyetzon said:
I'm having issues too with signal drops, is like Samsung doesn't recognize quick when 4g switches to 3g a 2g and it freezes on 4g not letting me watch anything until it switches to 3g and everything starts running again...in some cases it will just drop all data..i called and they did all they can do and still having the issues...anyone know how to end lease returning phones brand new and not having to pay full price of the phones??
Click to expand...
Click to collapse
I am in the same boat with you I want out of this contract and lease. Been on the phone with tech for hours. Been given the run around at the store....Only for them to waste my time. Yet I'm still on the hook every month for a high priced plan, lease fee, and the $200 deposit for the "upgrade". This has caused me lost money business wise and missed opportunities socially as a single active person. Really don't see how they can keep me in this contract at this point. To the point where I'm ready to walk away.
What can we do? This is not right. I have also lost business calls. It is not only sprint. ..Verizon customers have the same issue.
Sent from my SM-N920P using XDA Free mobile app
randy021186 said:
What can we do? This is not right. I have also lost business calls. It is not only sprint. ..Verizon customers have the same issue.
Sent from my SM-N920P using XDA Free mobile app
Click to expand...
Click to collapse
I'm at a loss too. I don't know what to do. Who has the time in their day to spend hours on the phone or go into the store during my working hours several times to get nothing solved. My next move is to just walk away from my contract with the phone and hope i can get it unlocked onto Metro PCS because they are the only other unlimited data that doesn't bottle neck data speed.
Wow it's got to be the device than if Verizon is having the issue too. Sprint store claims that everyone loves the note 5 and they have never had this problem. Let me know what you plan on doing to please.

Issues on T-Mobile

Recently purchased the Xperia Z5 (E6653) and I am having some serious issues with calls on T-Mobile USA.
Calls don't dial out (or it takes multiple tries) and calls won't come in when the phone is connected to 4g (LTE); they go straight to Voicemail. I missed about 12 phone calls yesterday - just getting voicemail after vaoicemail till I realized something was wrong on my side. If I toggle off the LTE it drops to Edge (no HSPA+) and calls come in fast and outgoing calls are made with no problem.
I tried to reset the phone, then repair the software with the Sony Companion app. Still same issue. Looked online for the APN settings. Tried various ones. Re-downloaded the Internet/MMS via the phone itself. Same issue. Tried my wife's sim and it was still doing the same. I have a spare 5s and it worked fine both incoming and outgoing calls. So, it doesn't seem like its the sim card.
I have Rev 2 of this phone so I am not sure if that is anything to be concerned about. Am I missing something...any help on this would be appreciated.
Thanks.
Maybe flash a T-mobile firmware with flashtool?
Or Flash 209 firmware meant for usa?
Or wait for someone here that use this phone on T-mobile.
Are you on band 12 LTE by chance
No, it said band 2 with LTE Discovery. I am on the verge of sending it back. Swap it for another one. Let's see.
From what I have gathered/read - it should really be straight forward. Pop in sim, load Internet settings, and it should work on T-Mobile. The APN settings are correct.
Doesn't makes sense for it to completely not work on 4g and go to 2G (Edge) while skipping 3g. I'm wondering if the baseband might just be wonky. I just see this as causing more problems down the road which I don't want from a $520 device.
Any advice is welcome because I am ordering the same phone again. Lemons are always possible.
Could it be possible because I live a relatively rural area (East TN) and the phone does not support AWS? Since it doesn't support T-Mobile VoLTE and doesn't have AWS it is defaulting to 2G? Is this an issue in all areas or just rural? Apparently the E6683 variant doesn't have this problem as it supports AWS.
Check this http://www.xperiablog.net/2015/10/07/usa-buyers-guide-sony-xperia-z5/
That means ur phone should work fine with T-mobile,maybe go and get a replacement from where you bought it.

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