HI all. Bought myself a UK G2 the other day, came with 4.4.2 installed. I followed to guide to downgrade it to 4.2.2 (i'd rather keep it on that). After the .kdz flash (yes, it's the correct region and for the 16gb) it just says "no sim" all the time. Rooted, installed twrp, flashed the rootable kitkat zip that's in the forum, still no sim now I'm back on 4.4.2. Any ideas anyone? I need my phone for work so need it sorted asap.
deansaunders said:
HI all. Bought myself a UK G2 the other day, came with 4.4.2 installed. I followed to guide to downgrade it to 4.2.2 (i'd rather keep it on that). After the .kdz flash (yes, it's the correct region and for the 16gb) it just says "no sim" all the time. Rooted, installed twrp, flashed the rootable kitkat zip that's in the forum, still no sim now I'm back on 4.4.2. Any ideas anyone? I need my phone for work so need it sorted asap.
Click to expand...
Click to collapse
Make a factory hard reset
Nope, still no good. Flashed both the official 4.4.2 kdz and also the 4.2.2
I'm having this same problem. I really need this fixed. I used this method to get root and now I have no service. It is very important that I get my phone working!
Edit: After several formats I tried a FULL format including Internal and System partitions then put the phone in Download mode and followed METHOD 2 of this guide.
Related
I have a sgh-i337, I tried to format my rom and threw everything at it but the kitchen sink but could not get it cleared. Then I looked around and found out about the write protect issue on the bootloader from at&t and verizon. (chattr +i /boot/system.tar.md5) It's not difficult to figure out what they did.
Needless to say I am softbricked right now with all the user data deleted. I did back up in kies but it is asking me for a number I never saw.
Is there a patch for fixing the at&t immutable bit on the bootloader?
Is there a download that will help me launch my phonetop?
We know the bootloader and system files are just fine... :silly:
The boot loader is still locked. The stock kernel and recovery cannot be replaced.
The link to stock firmware is available in http://forum.xda-developers.com/showthread.php?t=2616221
You can use Odin to flash the stock firmware. You can flash the same or newer version only.
I was able to downgrade the phone to NB1 and root it with Towelroot, and used Safestrap in order to get recovery on the device.
After that, I booted into recovery and installed the GPE 5.0.1 ROM.: http://galaxys4root.com/t-mobile-galaxy-s4-roms/gpe-android-5-0-1-lollipop-rom-for-galaxy-s4/
Now the phone will not go past the S4 splash page, reboots and then goes into the stock recovery. Ive tried factory reset, clearing cache and removing the battery.
Any help is appreciated. I bought this phone for my fiance and am wanting to give it to her soon as a present.
Thank you so much in advance.
I think the problem is that you downgraded.
GDReaper said:
I think the problem is that you downgraded.
Click to expand...
Click to collapse
I couldnt install towelroot on the 4.4.4 version it came with since it said device wasnt supported.
I was following these instructions: http://www.droidviews.com/root-att-galaxy-s4-sgh-i337-android-4-4-4-kitkat-firmware-i337ucufnj4/
It states to downgrade, then root, then go back to the 4.4.4. I thought after the steps I took, I could go straight to a custom ROM.
Thanks
I used CF-Auto-Root to root my device. Since towelroot didn't work for me either.
Maybe the rom did not flash right. Try flashing again.
problem in installing lollipop rom india to samsung i9500
I have installed the newly released lollipop rom to my samsung i9500 through odin. it was successfully flashed but the phone cant restart, it stuck with samsung written on the screen and blue light on...what i should do???
Hey folks. I'm finding a lot of threads from 2 years ago and unfortunately they aren't much help with my device. I've inherited this phone, and my goal is to upgrade to CM12. Unfortunately I'm dealing with AT&T's locked bootloader and other issues.
I'm currently on Android 4.4.4, Baseband I337UCUFNJ4. I've managed to get root access using the Odin method of flashing NC1 then back to NJ4, root is working., but I've been unable to flash an updated Recovery. I've tried everything except for the Safestrap method, which last I read wouldn't work for installing Cyanogenmod. Using Odin, I've tried to flash CWM Recovery after converting the .img to a .tar.md5 (Odin failed to transfer this), I've tried using ROM Manager to install Recovery (claimed to work, but actually did nothing), then also used Flashify and Rashr to flash, which seemed to get further, but upon reboot the phone gave an error about software not authorized by AT&T.
I've done way too much googling this weekend and trying all sorts of things that haven't worked, from all sorts of threads from 2013 and 2014, does anyone have a reliable method that works if I'm already on 4.4.4, or am I still out of luck with this device? There is no SIM in the phone right now, but I may want to use it as a phone later if I can upgrade to CM12.
You're pretty much stuck. Only ROMs you can flash are AT&T official stock ROMs for the S4, or ROMs that are specifically safestrap-compatible. No other recovery will work, either.
That being said, if you're interested in lollipop, there's a stock, deodexed lollipop ROM for our phone that is safestrap-compatible on here called Goldeneye v53 that I enjoy.
Sent from my SGH-I337 using Tapatalk
I'm in the same situation as you, I ended up using safestrap with Pure Nexus http://forum.xda-developers.com/galaxy-s4-att/development/rom-google-edition-s4-t2837239
Closest I could get to a desirable phone without original Samsung FW. Good luck
Hmmm. What I'm wondering at this point is how does the bootloader get onto the device originally? Can't a working bootloader from another model S4 be flashed in place of the AT&T one?
I would imagine that there must be some software that can be used to fully wipe the phone, repartition the memory, write a new bootloader, etc. If a phone were hard bricked, it would seem that there would be a way that Samsung or some carrier can use to get the phone working again.
Hi,
I am getting a bit lost. I have a LG G2 which I recently upgraded to MM (last stable Bliss).
Before the upgrade I was using Stock KK , that worked fine. Now I upgraded the phone, and it looks like no SIMcard are working anymore. I tried several, they all give the dutch error 'kaartfout' (cardfold). When I check the settings, it tells me no SIMcard is inserted. But it is inserted, and it is inserted the way it should be.
What is going on?
What model?Maybe it was unlocked and with all the wipes unlock was lost?
LG D802 (is that sufficient information?)
I have no idea how to find out if it is currently locked.
Can it help to flash a new radio?
It's because your phone has a kitkat bootstack. What you need to do is go back to stock jb/kk, upgrade to LP -before rooting-, root, autorec, upgrade to the latest twrp and flash the rom. You can also flash the LP bootstack ( instead of going back to stock), but I don't recommend it, as it may cause problems.
Here are the two threads that will help you:
Go back to stock: http://forum.xda-developers.com/showthread.php?t=2432476
Bootstacks [you need 5.0.2 Bootstack with KitKat (Bump) bootloader FOR D802] : http://forum.xda-developers.com/lg-g2/development/lg-g2-bootstacks-t3173715
I am currently on rooted marshmallow and want to return back to kitkat. I was able to unlock my bootloader successfully then had flashed the magisk rooted MM stock rom. I'm having an issue with a Sim card error notification after awhile then my verizon service gets disrupted. The only way to get my service back is to re-flash the MM rom. Also the external sd card cant be formated as internal storage therefore i'm not able to do my regular backups in twrp. The system font size is too small as well! I've researched this problem for an entire day and asked about the MM rom issue in the following forum where I got the rom from and unlocked my bootloader.
https://forum.xda-developers.com/ve.../testers-required-easier-root-method-t3561529
I've tried to flash in odin the following file ALL_VZW_G900VVRU1ANCG_G900VVZW1ANCG_964333_REV00_user_low_ship_MULTI_CERT.tar file but it failed! When I was on kitkat it worked if I had to return to stock.
Right now I'm downloading VZW-G900VVRU1ANCG-20140410100641 file in hopes i'll be able to return back to kitkat. Is this not possible?
All help is greatly appreciated! Thanks!