I need help !!!! - Galaxy S III Q&A, Help & Troubleshooting

Hi xda....
i have a problem with my s3 i9300 , when i flash a custom rom the phone boot normaly but he say " no sim dedected" and no network......so any solution for this problem please.

Make sure the phone is running the latest bootloader and modem before flashing a stock ROM.
If the phone is running the latest bootloader and modem, it could be that the ROM is not compatible with the phone.

Related

[Q] Can you change your Kernel???

Hello All,
I just changed from having a sony xperia x10 to getting a new SG2 and I am brand new to the SG2 forums. I am currently with Rogers wireless in Canada, but the phone was originally a Bell Mobility phone that was unlocked. I do see that superuser is installed on the phone (in which I assume that would be it has already been rooted) and I am able to use the phone on Rogers now.
I now want to install custom ROMs, but I do see that it is quite different than what I am used to. I see that custom kernels are all based on your existing Kernel (please forgive me if that is incorrect...), and that custom ROMS are tailored to specific kernels.
My current Kernel is
2.6.35.7-I9100XWKDD-CL161513
root(at)DELL103 #2
Model number - GT-i9100M
Android version - 2.3.3
Baseband Version - I9100MUGKF6
Am I able to change the kernel, so that I can install custom ROMs onto my phone? Or will the current firmware suffice? Thank you very much for your help, it is much appreciated!
Do you mean a kernel the full firmware or a custom rom .
kernel is upgraded with a later firmware or a custom rom .latest custom rom will usually have latest kernel or custom kernel .
Decide what custom rom you want and follow the instructions .
Rough draft to update to cognition rom latest i would
Flash a matching stock rom KG6 via Odin .
Flash matching CWM and Root Kernel KG6 .
Boot phone and set up .
Follow instructions in rom post which is usually copy to sd card boot to recovery mode and install zip via CWM .
Your Firmware is KDD thats very old now .
Only must check is Bell Canada and do you need to flash a different modem and or CSC for that area .
jje
That is a TON of help. Thank you so much, I really appreciate it
Does anyone know if the current Bell SG2 can install an EU ROM?
Yes, I've installed a custom ROM (lightening ROM) which is based off a European ROM on my Bell's SGS II.

[Q] Samsung Galaxy S2: E can't mount /cache

Hi Everyone,
I was trying to root my phone using the insecure kernel and Odin but once this was flashed, my phone got stuck at the boot logo. I can get to Download mode to flash another kernel or stock ROM. I can also go into Recovery where I am getting a lot of errors such as E: can't mount /cache, can't mount /recovery log. Wiping the cache and factory reset don't seem to work as they produce more errors.
The problem is I did not note down my baseband and kernel version before rooting. So now , I don't really know which stock ROM to flash to get my phone working again. Does anyone of you know how I get know my baseband and kernel version to choose an appropriate Stock Kernel and ROM? And does anyone know what I might need to do to get the phone working again?
Thanks very much for any help, guys.
Does anyone of you know how I get know my baseband and kernel version to choose an appropriate Stock Kernel and ROM?
Your location and network is the deciding factor .
You require stock rom not plus a kernel.
Stock Roms .and csc
http://forum.xda-developers.com/showthread.php?t=1075278
jje
@gungs001
Which country ?
Try to flash one from the link given by JJEgan
JJEgan said:
Does anyone of you know how I get know my baseband and kernel version to choose an appropriate Stock Kernel and ROM?
Your location and network is the deciding factor .
You require stock rom not plus a kernel.
Stock Roms .and csc
http://forum.xda-developers.com/showthread.php?t=1075278
jje
Click to expand...
Click to collapse
Hi jje,
Thanks for your reply.
I'm from the UK and the phone is locked to T-mobile..
I have tried flashing a stock rom for T-mobile in the UK (BOKE3:http://www.multiupload.com/GY05UJM6DQ
Firmware info: PDA:BOKE3|PHONE:BOKD1|CSC:TMUKE3) and my phone is still stuck on the boot logo and showing the mount errors in Recovery mode.
Also, I was not too sure whether to flash the stock kernel that comes with it and I did it. You're saying that I don't need to flash the stock kernel. So, now that I've already done this, will this affect my phone? Do I need to flash another stock kernel for it to work?
Thanks again for your help. I appreciate it very much.
Is it possible for us to repartition to 2 partitions only?
If it's any help I am suffering the same issue can't mount /cache when I flash any rom other than the current t-mobile (UK) 2.3.5 which I got from sammobile
Can't embed links so just download the last UK t-mobile image shown in their list
If anybody can point me towards a solution as I am more used with HTC phones as from previous experiance t-mobile will be really slow about releasing ICS (they where about 3 months behind the official HTC desire ROMs)

Help needed with stock rom flash

I have a SGY Ace GT-S5830i with Reincarnation ROM on it. Its unlocked to any network, I want to flash back to stock rom to try other ROMs for the phone, 1st Can I just flash over the rom im on or do I have to go back to stock? 2nd I have been looking for a stock rom for my phone im in Ireland and I cant find a rom for my network 3. ASll I can see are stock roms for networks 02 and meteor will they work or will they screw up my unlocked network phone? In other words will I lose my network unlock?
Cheers.

[Q] No service after flashing a Lollipop Custom rom for Samsung Galaxy S2 GT-i9100

So I recently flashed a custom for my phone. I correctly followed all instructions in the video that act as a guide for flashing the rom. The only instruction that I was not able to do was to make a backup of its EFS. Now my phone is having Unknown Baseband Version as well as its IMEI which sometime appears Unavailable or a random numbers appears.
In addition, I flashed my phone after updating via Samsung Kies and resulted into an error. From 2.3.3 to the update version available for my phone. I dont if I have done a bad thing when I flashed a custom rom after an update failure.
Sorry for asking noob questions as well as for my bad english. Thank you in advance.

S3 sim problem

So i have a problem with my s3 i bought a new motherboard for it couple of days ago and i install it and everything and i put on stock rom everything is working fine atm.
But when i try to install any custom rom i tried dokdo and miui and back to n00t and all of them i get an error that it cant find my sim but on stock 4.3 it works did anyone have a problem like this if anyone knows how to fix this pls help and yes i have imei and baseband.
Was the phone running the latest bootloader and modem before you flashed a custom rom?
audit13 said:
Was the phone running the latest bootloader and modem before you flashed a custom rom?
Click to expand...
Click to collapse
I was running a stock rom on a stock kernel for the modem i dont know.
Sounds to me like the bootloader and modem are too old for the custom rom. Flash the latest stock rom from Sammobile.com to ensure the modem and bootloader are matched and up-to-date.
Are you sure it is an i9300 motherboard? Not a Korean or Japanese version?
You can confirm the model number by booting into Odin mode.
Yea the motherboard is GT-I9300 so its international version
I have downloaded from sammobile and tried custom rom stillno work but when i got the motherboarc it had android 4.1.3 or 4.1.2 i dk
You confirmed the model number in Odin mode? What error are you getting in the Odin log?
There is no error it says that its custom and nothing else
The Odin log comes from the app, not the Odin screen on the phone.
On the phone's Odin screen, it says gt-i9300?
On the phone it says that its gt-i9300 but when i connect my phone to odin it dosent say anything

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