HELP! No service after changing ROMS! - Optimus One, P500, V Q&A, Help & Troubleshooting

I was running the Void ROM for a while with no problems, but i decided to try something else and installed CM10, which ran fine but the phone was not connecting to the network. I than installed CM 7.2 but i'm still having the same problem! I don't know what i should do. Already tried restarting the phone and removing and reinstalling the sim-card.

void is based on cm7 by mik_os, which is the only cm7 for old baseband.So you have 2 options:flash old bb fix or change your(old) baseband to the new baseband
(off course cm9 and cm10 use new bb)
Sent from my LG-P500 using xda premium

If it's not a baseband problem you might just need to reset APN in network settings. You should be able to google APN settings for your service provider.

Related

no network service AOKP

No cell service, samsung capitvate Aokp ics build 28 rom. I try to set new apn, and nothing saves, I have also tried to flash a few modems and new roms...nothing is bringing back my network...plz help...thx
If you have flashed new modem and tried updating your apn please reflash. There is a good chance you screwed up your efs folder. Go back to stock and than back to ics
Sent from my SGH-I897 using xda premium
Rollback to stock GB and see if it works. Remember to go into APN and note the settings.
Then go back to ICS. Try mine if you are able to download it...
Having the same problem as OP. I flashed from Mosaic 9.
So bravo, you're saying go to the stock GB rom or just the bootloaders? I've reflashed with same results.
UPDATE:
Got it to work by flashing a different modem. I went to the following link:
http://soggycashew.weebly.com/cm7miui--ics-modems.html
downloaded the first one in the list, put it on my internal sd card, rebooted into cwm recovery, flashed it, and wala. Thanks anyways guys. I really appreciate all of your work.
might have to break down and go back to stock like suggested. tried several roms and several modems. It wierd cause i will have no cell service then like hours later I will have it or after a reboot i loose cell service again...sim problem possibly? i really dont know
I have no clue. These guys would know a lot more than me. All I can tell you is that I flashed the first modem on the list on that link, and it worked nicely. I'm in Wisconsin, and I'm using a go phone sim card.

[Resolved] [Q] HTC CM7 Radio

Hello everyone, I'm new to xda but not new to rooting and stuff
However I need help
I rooted my Wildfire a while ago..and then i installed some font...which messed my stock rom
receving no technical support over email or service centre, i manually flashed cm7
...
all goinig well but there is no 3g connection at all...the phone keeps on rebooting when i turn on 3g....and 2g is incredibly slow!!!!!!!!!!
I hvnt s off 'ed my wf but hv rooted it successfully..I'd like to know if s off is needed for radio flash...pl help me
How should I s-off my rooted wf??
Hello, i solved this issue.. I was on the radio 3.35.20.10 which is the newest. I flashed the latest rc1 cm7.2. Yes (3g and H) mobile network works flawlessly.. changing a few type of internet build prop values of cm7.2 will lead to rebooting when turning on mobile data
I won't be of any help but I have the same problem: I can't remember when I have noticed it the first time - my Wildfire keeps on rebooting if I switch to 3G.
Initially I thought that one of the different modes (2g/3g only, 2g or 3g etc.) would cause the problem but I have tried everything without any success.
If I find the time I'll probably try a newer nightly to see if this will help.
AFAIK I'm on the newest radio (flashed it a while back due to the well known radio problem).
Anyone with a helpful hint?
ontheflames said:
Hello, i solved this issue.. I was on the radio 3.35.20.10 which is the newest. I flashed the latest rc1 cm7.2. Yes (3g and H) mobile network works flawlessly.. changing a few type of internet build prop values of cm7.2 will lead to rebooting when turning on mobile data
Click to expand...
Click to collapse
Hm, I'm not sure about your solution - could you be a bit more specific? I've already done a lot of things to get rid of the problem - including flashing newer versions of CM7 - currently I'm on the 20120420 nightly. Release date for the newest RC1 is 20120314 if I'm correct - so it looks that this didn't solve my problem.
Furthermore I flashed the radio again (inspired by this thread) - without any help regarding the bootloops. I'm really close to do an RUU update - but I usually rely on good old traditional computer wisdom: "never change a running system" XD
If someone with a bit more understanding of the changes in build.prop could give hints what (which values) exactly could be the reason for the problem this would be really helpful.

[Q] Radios / Jelly Bean question

I have been using an ICS ROM (PrimoS v4.1) on my Desire S for some time with no problems, but recently have tried flashing a number of JB ROMs (e.g Andromadus, CM10 and JellyTime). I have found that when using any of these JB ROM's, I am unable to get a data connection and the APN list is blank. Despite many attempts to add APNs manually or by use of APN backup apps, I have failed to add an APN to the list.
Do I need to update the radio to solve this problem? I never did this when going from original HTC Gingerbread to the ICS ROM.
Please excuse the ignorance on this subject. I've read somewhere that there is a danger of bricking the phone when flashing radios, hence my reluctance to try without good reason!
I live in the UK and use Virgin Mobile.
Current radio is: 20.281.30.085AU_3805.06.02.03_M
All help appreciated - I've had a tantalising glimpse of the wonders of Jelly Bean and I'm desperate to get my data connection working!
TIA
I can't say whether changing radios will fix your problem. I use Radio 20.4801.30.0822U_3822.10.08.04 on CM10 and have no problems.
Sent from my Desire S
BillGoss said:
I can't say whether changing radios will fix your problem. I use Radio 20.4801.30.0822U_3822.10.08.04 on CM10 and have no problems.
Sent from my Desire S
Click to expand...
Click to collapse
Thanks for the reply BillGoss.
I took the plunge and updated my Radio to 20.4801.30.0822U_3822.10.08.04 with no problems. My phone continues to work fine with the PrimoS (ICS) ROM, but when I flashed JellyTime, still no APN's and I was unable to create one, hence I can't connect to the 3G network. D'oh!
Correct me if I'm wrong but with ICS you don't have the probelm and with JB you have the problem
that you have no and can not set the APN values, Q, dit you have a clean ROM installed.
I had this problem once when I tested a ICS version with sence 4. Later when I installed a CM10 version
I had no APN so I did a factory reset an de problem was gone. To be sure I wiped al the data on my device
and restored a earlyer nandroid backup. Later I tested a lote of ROMS but so far I don't have the APN issue yet.
HypnoCondor said:
Correct me if I'm wrong but with ICS you don't have the probelm and with JB you have the problem
that you have no and can not set the APN values, Q, dit you have a clean ROM installed.
I had this problem once when I tested a ICS version with sence 4. Later when I installed a CM10 version
I had no APN so I did a factory reset an de problem was gone. To be sure I wiped al the data on my device
and restored a earlyer nandroid backup. Later I tested a lote of ROMS but so far I don't have the APN issue yet.
Click to expand...
Click to collapse
Yes HypnoCondor, I always do a full wipe before flashing the ROM. I've now done a ot of Googling and trawling XDA threads and have found that the issue seems to be confined to CyanogenMod-based ROMS, not specifically CM10 and covering a lot of different phones. I'm not techie enough to fully understand, but it seems that CM is not registering the SIM card properly and hence the APN list is always blank and can't be edited/saved manually.
What's particualrly confusing is that I recently flashed the CM10-based CyanogenMod 10 Beta Builds [4.1.2][ANDROMADUS 3.x][Frontcam] ROM (http://forum.xda-developers.com/showthread.php?t=1776256) and much to my surprise it worked! My APN list was populated and all was fine. Unfortunately , after rebooting the phone, the APN's were gone and I've been unable to get them back, despite trying every trick in the book gleaned from XDA users with similar problems.
This is very frustrating, because I really love this ROM
Looks like I'll end up going back to the PrimoS (non-CM, ICS) ROM so that I can get my data connection back when I'm away from WiFi. That's a real bummer, but I'm damned if I've been able to find a fix for this issue.
Just for future reference: being unable to set APN has nothing to do with radio and has everything to do with the ROM you're using. But you've already found that out yourself.
Jack_R1 said:
Just for future reference: being unable to set APN has nothing to do with radio and has everything to do with the ROM you're using. But you've already found that out yourself.
Click to expand...
Click to collapse
Thanks Jack_R1. My final plan is to try replacing the SIM card - should receive it in a couple of days.
Phosbrom said:
Thanks Jack_R1. My final plan is to try replacing the SIM card - should receive it in a couple of days.
Click to expand...
Click to collapse
Phosbrom I'm on Virgin and the JellyBean roms you mentioned work great on our service. I'm sure you'll enjoy using them when your new sim arrives :good:

[Q] i727 Network Drop after LiquidSmooth 2.5

I have installed 4.2.2 version of LiquidSmooth. But after installing it my network is dropping out within a min of talking. It's so annoying as I missed the most importing function. Talking to others using my phone.
ravi.kalyan said:
I have installed 4.2.2 version of LiquidSmooth. But after installing it my network is dropping out within a min of talking. It's so annoying as I missed the most importing function. Talking to others using my phone.
Click to expand...
Click to collapse
What radio are you using? You should be using UCMC1.
Sent from my SAMSUNG-SGH-I727 using xda premium
I have a similar issue. I've been running the March 23rd version of AoKp with no problems. However, I recently tried to install the latest version and my phone will not connect to the Rogers network (connects briefly during start up, then drops, this trend repeats infinitely). Even when I do get some bars of connectivity, it never actually registers with the network, so I cannot send/receive calls, sms, etc. All other functions work fine. Also of note; after first reboot after installing ROMs, all the correct APN's are there and it seems to default to Rogers LTE which is good, however never actually connects. Then, after a subsequent reboot, all APN's are missing and I cannot manually add any (when I save them, they don't actually save).
I've tried installing the latest version of CM - same issue
Tried flashing different radios to no avail (running UCMC1 currently)
Luckily I'm always able to restore my backup to that March 23rd version AoKp which still works without issue. My next step is to revert back to stock ROM and either stick with that or try installing a fresh custom following that.
Any idea what the issue is???
I'm seeing the same issue as well on AT&T.
I tried reverting back to the regular Cyanogenmod Rom, but I'm seeing the issue where the radio keeps dropping and connecting back every few seconds.
I'm on baseband UCLI3. Is that the best version to use?
LamboJ said:
I'm seeing the same issue as well on AT&T.
I tried reverting back to the regular Cyanogenmod Rom, but I'm seeing the issue where the radio keeps dropping and connecting back every few seconds.
I'm on baseband UCLI3. Is that the best version to use?
Click to expand...
Click to collapse
You need to be on ucmc1 for cm 10.1
Sent from my SAMSUNG-SGH-I727 using xda app-developers app

Mobile Data not working

I am running Viper XL 4.2.2 and I updated the firmware to version 2.15 as recommended in the Viper thread. After updating the firmware my mobile data stopped working. It is saying "Connection failed due to incorrect APN setting". The odd part is that these are the same APN settings I was using before updating the firmware and they were working just fine then. I am using an unlocked AT&T HTC ONE X on metropcs. The APN settings I have been using are the ones found at http://forum.xda-developers.com/showthread.php?t=2491999
I have tried reflashing the ROM as well as redoing the update. Neither one has worked. I have had the issue running both the stock kernel and Beastmode Reloaded 3.5.
If anyone has any suggestions I would really appreciate it, I need my mobile data working as I am not always near a wifi signal I can use.

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