Develop Bugs

Service issues after upgrading to 5.0

I upgraded from a stock rooted 4.4.2 to the OTA 5.0 using the ROM that was rooted. Some apps for my smart watch don't work in 5.0 yet, so I went TWRP and restored my backup. After booting, the phone will not get any service at all. It shows it's searching for service then gives a red "x" then starts searching again. This is process that just keeps going. I flashed the stock .tot file using the LG flash tool to get the phone completely back to stock. After doing so, the radio still won't get service. I then applied the OTA push of 5.0. After 5.0 was installed, the radio gets service without any issues. I used the LG flash tool again to go back to 4.4.2 stock and same issue; no service. Updated again to 5.0, and I get service. Any ideas on what's happening here? Is it the firmware for the radio that's having issues?

I was able to fix this by playing with the APN settings and it was able to get service, but no data. I then went back to the default t-mobile APN setting and now it works.

Same Issue
After using lg update tool to go to new 5.0 update, I put twrp back on and flashed cm12 and bliss pop rom on mine and service 100% drops out and only came back after a battery pull or a reboot, e tried to re-install roms on both and after having the same issue with the roms i tried a custom kernel issue went away and then came back, so i haven't tried AOSP since the t mobile said they'd send me another brand new phone ....but once i put everything back to OEM using the lg tool it's been 100% working again with no issues... i will try AOSP when the new phone gets here,, im thinking its kernel related

You need the new modem, boot loader, and boot images. You can't simply just flash a ROM unless all 4 (system included) is packaged as so

[Q] S4 Stock ROM, Flashed from Cyanogen, No WiFi

Hi!
I've been trying to root and flash Cyanogen 12 to my unlocked Fido S4 i337M (Canadian) to no avail.
I'm coming from a Nexus phone, and jumped right in assuming it would be just as easy with Samsung as with my Nexus, thought I could use a toolkit like Wugs NRT.
I was wrong. I finally got my phone rooted, Cyanogen flashed, but then I couldn't play any media, no music, browser crashed when YouTube was used, and I had no service most of the time, all sorts of crap, so I decided to go back to stock and figure this out later.
Things really aren't in my favour. Using Odin, I flashed the Rogers stock ROM from here: http://www.androidrootz.com/p/galaxy-s4-stock-firmwares.html?m=1
The wifi won't turn on, the switch goes over to on and flips right back, so I tried the Bell one, still no luck.
Can anyone help me? What's going on?

The problem you seem to have is that the stock firmware you've flashed probably won't be the right one, your modem part of the firmware will be different than the one you need.
Look for another firmware or next time when flashing anything make sure it excludes the modem part

Downgraded from 4.4.4 to 4.2, reverted back and no WIFI, tried everything!

Well, I followed an XDA thread to SIM unlock the M919. It involved downgrading from 4.4.4 to 4.2. and I successfully unlocked my device! But now I have no Wifi... I tried flashing every single modem, every firmware (Official TW ones via Odin, every custom rom using TWRP). They flashed well and everything worked besides the Wifi. I've found some threads from people with the exact same problem (they tried to unlock it using the same method) but those are old threads with no solution.
I've spent 24hrs reading and flashing and wiping and reading again. Any ideas?
Many thanks!

Anyone? If you find me a solution I will Paypal you 20 bucks!
Sent from my SM-N900T using XDA Free mobile app

I am having the same issue. My phone was already unlocked though, so no downgrading on my part, but I think we're having the same issue. Is yours showing connected, but usually getting time outs or disconnecting?
My issue happened when I flashed from stock 4.2 to the GPE rom for 5.1. Wi-fi issues. Connected, but exclamation point saying that my connection wasn't working. So I flashed a different rom (candy) and still, I have issues. So I went back to 4.2, stock everything. Stock bootloader, stock rom, stock radio. Still had issues. So I decided maybe flashing a new radio would work, so I flashed NH7 and NK2 (broke my audio). Still didn't work. Realized my bootloader doesn't match the modem, so I flashed 4.4.4 stock bootloader and stock NK2 modem. Tried it with the candy rom. No go. I tried the 4.4.4 stock ROM, wifi still has that stupid exclamation point. I've even gone so far as flashing both the bootloader and the radio over 5 times in one go (with battery pull each time) to see if that will work (starting to go nuts, I guess), but still, no fix.
I've had a temporary fix with Tasker (Connect2wifi), but it doesn't work when my phone is on idle, so I don't get any notifications until I actually wake up my phone.
I'm starting to wonder if it's the physical wifi radio (antenna) inside my phone that's broken. But then I wouldn't be able to connect at all if that's the case, right?

tpl33 said:
I am having the same issue. My phone was already unlocked though, so no downgrading on my part, but I think we're having the same issue. Is yours showing connected, but usually getting time outs or disconnecting?
My issue happened when I flashed from stock 4.2 to the GPE rom for 5.1. Wi-fi issues. Connected, but exclamation point saying that my connection wasn't working. So I flashed a different rom (candy) and still, I have issues. So I went back to 4.2, stock everything. Stock bootloader, stock rom, stock radio. Still had issues. So I decided maybe flashing a new radio would work, so I flashed NH7 and NK2 (broke my audio). Still didn't work. Realized my bootloader doesn't match the modem, so I flashed 4.4.4 stock bootloader and stock NK2 modem. Tried it with the candy rom. No go. I tried the 4.4.4 stock ROM, wifi still has that stupid exclamation point. I've even gone so far as flashing both the bootloader and the radio over 5 times in one go (with battery pull each time) to see if that will work (starting to go nuts, I guess), but still, no fix.
I've had a temporary fix with Tasker (Connect2wifi), but it doesn't work when my phone is on idle, so I don't get any notifications until I actually wake up my phone.
I'm starting to wonder if it's the physical wifi radio (antenna) inside my phone that's broken. But then I wouldn't be able to connect at all if that's the case, right?
Click to expand...
Click to collapse
No, unfortunately my issue is very different. I know it isn't hardware related. I've never had any issues with it until the second I downgraded. Wifi just doesn't turn on. When I click on the button it just tries to turn on and after a couple seconds it turns back off, without even detecting any networks. This happens no matter what rom, version of android or modem I use. Downgraded, upgraded, tested every single modem and rom via TWRP and Odin.
Sent from my SM-N900T using XDA Free mobile app

OH1 recovery image -or- help getting back to stock firmware

Hi folks. Admitted Noob here asking for help.
[backstory]
After many years resistance I finally decided to get a phone. Freedompop's free plan was enough to push me over the fence. Found a nice S3 (L710VPUDOH1) on ebay and bought it. Everything was fine...except the stock rom had so much crap in it I was about to have a seizure. Back in the day I had put CM on a nookcolor so I thought that was the way to go. I consulted with a friend who assured me that CM played nicely with freedompop so down the rabbit hole I went.
[the first sign of trouble]
Installing CM went fine. Odin. Heimdall. I installed the latest clockwork mod touch recovery (6.0.4.5). Then I installed the latest CM snapshot (cm-12.1-20151117-SNAPSHOT-YOG7DAO1K7-d2spr.zip) and the appropriate gapps. Worked great. Nice and fast, good configuration options, no bloat....but it couldn't connect up to the 3g/4g network. Freedompop worked as long as WiFi was on and would not otherwise. Crap. What's the point of a cell phone if I have to have a WiFi hotspot???
Some googling revealed that the APNs were wrong so I tried that route. I was able to get LTE working but never got 3G. I live out in the boonies, so 3G is kinda important. Also found that CM breaks Sprint's PRL auto update which doesn't seem too happy.
[^H^H^H^H^H]
So, I decided to go back to the factory ROM and see how FP worked as I dutifully made a backup before installing CM. Now the SHTF. When I restore from backup in CWM (followed by a factory wipe data and cache to avoid the boot loop) the ROM cannot connect to Sprint's network. Doesn't know its IEMI or much of anything. It does connect up to wifi, log into my google account, get my paid apps, etc....but still no phone.
I installed Kies and attempted to restore/upgrade firmware (non-emergency mode). Kies got to about 66% and said there was an unexpected error. I'm guessing it didn't like the custom recovery and just plain quit on me. Was worried that I'd made a brick but alas I could still get to download mode. </bullet dodged>
I would like to put the phone back to stock (including recovery) but I have no factory recovery image. Does anyone have a recovery image for L710VPUDOH1? Alternatively, is there any harm in flashing the full ND8 onto the phone even though it had OH1 running before? I seem to remember reading things about bricking phones when trying to downgrade....which is in effect what I would be doing.
Any other suggestions about how to get back to stock would be most appreciated.
TIA

You can flash nd8. Nj2 is newer though. I don't think anyone has captured the oh1 tar yet. The only thing you should not do is flash anything before nd8 (pre Knox) like mk3 or older. Which is jellybean anyways so....
Hope this helps.

Yes, thank you; that was exactly what I needed to know.
I have a working phone at the moment so stock is not necessary required. For others that may be interested I flashed in Wicked X 8.2. From there the phone once again knew its IMEI and I was able to carrier reset and get it activated with Freedom Pop.

Upgrade broke the GPS

Hi all, I have a note 2 shg-i317 that was originally on Bell in Canada. It was unlocked and the aws mod done to it, I use freedom mobile, aka T-mobile in the states.
I was running a Rom for the past 3 years Slimfast 4.4 and liked it. I had tried Nugat on another phone, thought I would try the [ROM][7.1.2][OFFICIAL] LineageOS for N7105
I did the upgrade, broke the root, could not get a few things working, so I decided to restore the Slimfast backup I had just made (complete including modem etc) and everything works except the GPS.
GPS for me is huge, I use it a lot. I cannot lock on to 1 satellite now. Before i was able to lock onto a minimum of 16 in about 30-45 seconds, if outside.
I really dont care if I can get to 7.1 at the moment. I need my GPS back - any troublshooting for getting GPS to work on this phone?
James

I would try to flash the original stock for your phone and country from sammobile. com
Gps should work normaly then. If not your hardware is broken. If it works you can always flash your data back from your Slimfast rom.
Verstuurd vanaf mijn SM-N910C met Tapatalk

Crap, I am posting here, because I did it again. Again not sure how. I tried to run Reserection, and I guess that messed up the GPS.
To put the original stock rom on.. I have to do that through ODIN? I dont remember how I fixed this last year.. Sorry.
Hope somone can help I need the GPS.
James
ps. Used odin 3.09 to flash the original rom... still no GPS

You flashed the latest 4.4.2 room?

audit13 said:
You flashed the latest 4.4.2 room?
Click to expand...
Click to collapse
The Rom that I flashed to try and restore the GPS was I317MVLUDNF1_I317MOYADNF1_BMC (mine was an originally BELL phone)
But that did not repair the GPS from me flashing resurection.. I THINK did it. I flashed an android 6 and an android 7 rom. (Mokee) but tried to go back to my Slimfast.. and the GPS was now broken.
Basically what I did a year ago.. somehow I fixed it then.. but cannot remember at all how I did it.
James

The note 2 sold by Rogers, Bell, and Telus are exactly the same model and stock roms from these carriers can be cross flashed.
Try flashing the stock ROM twice in Odin with a factory reset in between each flash.

audit13 said:
The note 2 sold by Rogers, Bell, and Telus are exactly the same model and stock roms from these carriers can be cross flashed.
Try flashing the stock ROM twice in Odin with a factory reset in between each flash.
Click to expand...
Click to collapse
Do you mean boot up the rom.. run the reset in the rom? or flash.. - load TWRP back in.. WIPE.. then FLASH again with odin?
Thanks for helping btw.
James

I have backups (complete all partitions) of my rom.. Slimfast 4.4 from 2-3 days ago.. when I tried this. SO.. if I can get the Factory rom to restore the GPS.. how can I restore the backup.. I saw somewhere that the EFS partition could be left out and that might help? dont restore the modem? how??
James

I meant flash with Odin, boot into stock recovery, factory reset, flash again with Odin, boot into stock recovery, factory reset, and boot into the stock ROM.

Nope, still no GPS lock.. I have the flashing circle (always had) and it will not lock.. I read about where people go into a service mode and rebuild the NV? .. I assume this is something that Mokee or Reserection did.. not sure how.
Any other ideas?
James

what about using Odin or TWRP to put different modems in? does the modem effect the GPS?
tried this.. does not seem to. grrrrr wish I knew how I fixed this.
James

I assume there are no loose wires. Does it get a lock when using wifi? Not sure what else to suggest.
Not sure about rebuilding NV.

No.. I broke it with playing with custom roms.. Liniage was last year.. I did not try that this year.. but tried both android 6 reserection and android 7 Mokee.. and I am pretty sure they messed it up.. I am also pretty sure there was something I did .. easy like load an old STOCK rom and it fixed it.. I was then able to put my slimfast 4.4 back over it and it was fine. Unfortunatly .. not enough people still using this device.. I will have to have patience I guess.
James

So I have tried differenct stock roms, but I think the issue is ODIN will not restore code from a rom image that is HARDWARE based. I wanted to use Samsung smartswitch but they disabled the part of it that allowed you to factory reset the phone, this seemed to work for several people. Many have also reported entering a code and going into a service mode.. there you can do to a menu that will rebuild hardware modules back to default. But I have not been able to get into that mode because it seems to be a touchwiz only option, and I cannot find a factory rom that is touchwiz based for this model.
What needs to be done is a true FACTORY ROM image.. that would revert all software and hardware back to original, but I cannot seem to find that anywhere.
James

The only factory roms that I know of come from places like sammobile.com and they are all based on TouchWiz which is Samsung's launcher.

So guess what? put Ressurection back on.. and the GPS is back.
I cannot get it to work in any KitKat based rom.. but now anything Marshmellow up.. works.. HMMMMMM
James