Stuck at first boot screen - Android Q&A, Help & Troubleshooting

When trying to flash a stock rom on a rooted i9100 with Mobile Odin Pro 3.65 it gets stuck at first boot screen.
Even when trying to flash stock 4.0.3 and also with stock 4.1.2 roms it still does the same thing: it gets stuck at first boot screen. Even if i check the wipes and everything. Any information on this?

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Stock ROM doesnt work

Hi there.
I had a custom rom on my Galaxy S3, and I wanted to go back to stock rom. Before I had a custom rom, I checked my product code, just in case if I ever wanted to flash stock rom. So, I downloaded a stock rom from sammobile and flashed it with Odin. I had a successful flash, but when the phone rebooted, it stopped at the samsung logo and it's like that every time I turn on the phone.
I aslo tried to flash it with the same rom, but from a different site (androidfirmwares), but every time I treid to do that, Odin crashed ( Odin downloader has stopped working).
I can't even boot into CWR to flash any custom rom, cuz it's gone. There is only stock recovery.
Please help
Which Rom were you trying to flash when this happened, and give details of how you flashed please
luka46 said:
Hi there.
I had a custom rom on my Galaxy S3, and I wanted to go back to stock rom. Before I had a custom rom, I checked my product code, just in case if I ever wanted to flash stock rom. So, I downloaded a stock rom from sammobile and flashed it with Odin. I had a successful flash, but when the phone rebooted, it stopped at the samsung logo and it's like that every time I turn on the phone.
I aslo tried to flash it with the same rom, but from a different site (androidfirmwares), but every time I treid to do that, Odin crashed ( Odin downloader has stopped working).
I can't even boot into CWR to flash any custom rom, cuz it's gone. There is only stock recovery.
Please help
Click to expand...
Click to collapse
if you are getting stuck on the boot screen after you flashed the stock rom this always works..go to recovery do a data reset and wipe cache.
this is really weird and a stupid thing I did when I was completely new to android..a little over a month ago.I got stuck on the boot screen and accidentally flash CF-Root instead of the stock firmware..when the phone rebooted it worked just fine.I dont think its supposed to work that way..:S
ahmedmaaiee said:
if you are getting stuck on the boot screen after you flashed the stock rom this always works..go to recovery do a data reset and wipe cache.
this is really weird and a stupid thing I did when I was completely new to android..a little over a month ago.I got stuck on the boot screen and accidentally flash CF-Root instead of the stock firmware..when the phone rebooted it worked just fine.I dont think its supposed to work that way..:S
Click to expand...
Click to collapse
I did as you said and it works :laugh:
Thank you :good:

[Q] I9100 bootloop after flashing stock 4.0.3

Hi all,
Having a strange issue. After giving my phone in for servicing, Samsung wiped it and put 2.3.6 Gingerbread back on. Naturally, I got a stock 4.0.3 file to flash (XXLPQ at first) and did so (well-versed with all of this). However, ever since that first flash, the phone's been stuck in a bootloop, usually at the "Installing applications" screen, but sometimes just a normal bootloop at splash. I've re-flashed with different stock ROMs, followed the soft-brick guide and flashed the bootloader and kernel, nothing's working. The first flash was clean, but after that I haven't been able to access recovery, only DL mode, so no way to wipe first.
Any thoughts?
Thanks
Change CSC it will wipe your data or XXLSJ with all components(PDA,PHONE,CSC)

[Q] Won't get past boot!

So I've been on CM9 since October, everything has been all well and good! Today I decided I wanted to flash a unbranded GS2 ICS ROM onto my phone so I could then update via KIES to the new JellyBean one. But now my phone will not go past the boot logo since I flashed I9100XWLPT via ODIN in the PDA section just as the guide told me. The boot logo moves but will not go past it. I have flashed a new kernel, I then tried Syiah Kernel. Now I've reflashed Cyanogen mod 9 via CWM and it is doing the same thing. The boot animation just moves forever. Can anyone help?
yes flash jb straight up.
Sent from the little guy
Wipe data/cache and dalvik-cache then re-flash a JB ROM (since you want to use Jelly bean) via Odin. You can get JB Roms from here
I've wiped all caches then flashed the JB SII ROM and still the same problem, it boots up to the samsung logo then just replays it over and over again without getting into the phone
And factory reset does nothing?
Flash this. See how you do.
PS: Flash only CODE, PHONE and CSC.

[Q] TF201 Wont boot after flashing new rom

Hello,
I was running the stock ROM, but decided to flash the Energy ROM. I first flashed the JB.4.2.1.Bootloader.and.partitions.zip and then the new ROM. However it just got stuck at the ASUS splash screen. After several unsuccessful attempts I flashed the JB.4.1.1.Bootloader.and.partitions.zip and restored by backup, only for it get stuck in the ASUS splash screen again. I tried to flash the stock 4.1.1 from ASUS, but it fails every time along with any other custom 4.1.1 ROMs I try!
Can anyone help me? I can have still access to fastboot and TWRP. I have been searching these forums for days with no luck.
Edit: the only time I've gotten past the splash screen is if i flash the JB.4.2.1.Bootloader.and.partitions.zip then restore my stock 4.1.1 backup, but then it just hangs in the boot animation. I tried hen to flash the 4.1.1 stock over it only for TWRP to say it has failed.
is your boot loader unlocked ?
careful with TWRP and the JB 4.2.1 bootloader. You can only use the custom TWRP specifically made for the JB 4.2.1 bootloader.

Samsung Galaxy SII stuck in bootloop pls help

After flashing stock touchwiz 4.1.2, my gs2 has gotten into a bootloop, it is stuck on the splash screen, ive tried to downgrade to 2.3.6, but to no evail, i can access download mode but not recovery, any help?
Flash again to 2.3.6, in recovery. (if you have TWRP choose to flash from a SD card file,)
You can flash from Odin too.

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