When installing a launcher my android phone doesn't boot anymore - General Questions and Answers

Hello!
I have Samsung Galaxy Mini (S5570) and came with Orange stuff on it. I rooted it and deleted Orange apps now I have a little problem. The phone works fine, no problems, but everytime I install a launcher it hangs and then restart itself. After that, when the Samsung logo appears and it vibrates it starts all over again and never boot. First time I've installed Go Launcher, than Launcher Pro and with both of them did that. Is there a way to fix it?
Thanks and sorry for my english.

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[Q] Galaxy 3 Freezes on GT-I5800 screen/Can't do factory reset.

Hey guys! Got problem tho. I flashed my Galaxy 3 (I5800) to I5800XXJPB it worked fine for couple of days. Then I installed "Hancet SMS" and some of font packs for it, when font packs was installing my device freezed. I removed battery, tried to turn it on. And it freezed at first screen. When i'm trying to do factory reset it freezes on "Formating DATA:...". Installed custom JPA/JPB rom, still doesn't work. What I should do? Force upload/recovery mode/download mode works.
NEVERMIND. Installed original firmware found on samfirmware.com and it booted. Finally.
Rekooo said:
Hey guys! Got problem tho. I flashed my Galaxy 3 (I5800) to I5800XXJPB it worked fine for couple of days. Then I installed "Hancet SMS" and some of font packs for it, when font packs was installing my device freezed. I removed battery, tried to turn it on. And it freezed at first screen. When i'm trying to do factory reset it freezes on "Formating DATA:...". Installed custom JPA/JPB rom, still doesn't work. What I should do? Force upload/recovery mode/download mode works.
NEVERMIND. Installed original firmware found on samfirmware.com and it booted. Finally.
Click to expand...
Click to collapse
hey i have a similar problem and i would like to know how you found it how you got to it plz

[Q] Galaxy S - MIUI ICS problem

Hey xda.
Recently I flashed my GS with this rom (http://forum.xda-developers.com/showthread.php?t=1449156&page=), but just in a older version(pre-alpha) and after probably a month of use I began to experienced at lot og bugs and suddenly crashes in apps and programs. I decided to do a reboot,battery pull or wipe cache to see if that clould do it, but nothing help. On the contrary, my phone would not start. The Galaxy S logo showed u, but when the miui xiaomi.com logo showed it bootlooped. Several reboots did not work, so i decided to mount usb from recovery and download the newest version of the rom and then try to flash. I did not wipe, but i worked just fine and i thought i had my phone back, but after little over a day of use the screen began to flicker and blink, and no programs nor apps worked, just crashed. I flashed again again but nothing worked, and now i'm stuck with the same problem as before. bootloop..
So have anyone experienced the same or does anyone have a solution for this problem?

[Q] Randomly Restarting

I rooted my Samsung Galaxy S4 and now its randomly restarting. its not a whole restart just the boot logo shows up and after that im back in the home screeen (I doint have to type in my SIM code). Even after Factoryx Reset its still doing it.(Still Rooted) I got the TWRP recovery installed too.
Skybcraft said:
I rooted my Samsung Galaxy S4 and now its randomly restarting. its not a whole restart just the boot logo shows up and after that im back in the home screeen (I doint have to type in my SIM code). Even after Factoryx Reset its still doing it.(Still Rooted) I got the TWRP recovery installed too.
Click to expand...
Click to collapse
Do you have any custom rom installed? I had exactly the same issue on my Samsung Galaxy S2 with SentinelROM. That problem dissapeared after flashing AOSP NeatROM on my phone. You could also try unrooting your phone, again reset factory settings and test it. If it's working fine, you could try rooting your phone again.
Unrooting Samsung Glaxy S4: h t t p://galaxys4root.com/galaxy-s4-tutorials/how-to-unroot-galaxy-s4-and-remove-root-completely/

Help! I need help! Very urgent!

Hi. I just installed the app ROM Toolbox from play store when i heard you could change boot animations using it. So i tried some boot animations and wasn't much satisfied so i tried one named "Stock-xperia play" or something like that. Everything was fine till then. But, when i rebooted my phone, the animation started and even ended, but nothing after that. It's stuck on the words "Sony Ericsson" even for an hour. I removed the battery and restarted the phone many times, but nothing helped. Could someone please help me out?? My phone's too precious for me. By the way my phone is a rooted Xperia L-C2104 running android 4.2.2, if that's needed for an appropriate solution.
tanaykothiala said:
Hi. I just installed the app ROM Toolbox from play store when i heard you could change boot animations using it. So i tried some boot animations and wasn't much satisfied so i tried one named "Stock-xperia play" or something like that. Everything was fine till then. But, when i rebooted my phone, the animation started and even ended, but nothing after that. It's stuck on the words "Sony Ericsson" even for an hour. I removed the battery and restarted the phone many times, but nothing helped. Could someone please help me out?? My phone's too precious for me. By the way my phone is a rooted Xperia L-C2104 running android 4.2.2, if that's needed for an appropriate solution.
Click to expand...
Click to collapse
Had you made a backup at any point? You should be able to use the external button combination to boot into recovery and restore your backup.

Phone wont boot - assistance needed

Hi guys,
I've recently bought an S7 (SM-G930F) and was updating apps from play store and installing a touchwiz theme. The phone crashed and now i am unable to boot. It goes to the Galaxy S7 logo and reboots with blue LED lit or sometimes gets to Samsung animation then locks up.
I've already tried the following:
1. factory reset, wipe cache.
2. Used Smart switch to reinstall firmware. Process is successful but then "install update" fails (blue screen with android) and locks up.
3. Used Odin to install my firmware again. Successful goes to blue screen and can install update but still wont boot into android.
Does anyone know of anything else I can do?
Thanks in advance.

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