[q] my phone crashing after inserting simcard - General Questions and Answers

hello,
I'm using a Samsung galaxy GT-S5570i , after i installed custom ROM" jelly butter v3" using CMW & then it stop working i still tired using backup i have official ROM but still it doesn't work :
- if i turn on the phone without Sim the phone works normally..
- if i put a Sim in the phone and turn it on the phone starts normal and asks for Sim PIN code, if i don't enter the code the phone still working, but if i enter the code it takes 10 seconds and the screen become black and the phone restarts after about 20 sec.
I already wiped data and cache, and the IME code of the phone is still the same
can someone help me?!

MATI ENT said:
hello,
I'm using a Samsung galaxy GT-S5570i , after i installed custom ROM" jelly butter v3" using CMW & then it stop working i still tired using backup i have official ROM but still it doesn't work :
- if i turn on the phone without Sim the phone works normally..
- if i put a Sim in the phone and turn it on the phone starts normal and asks for Sim PIN code, if i don't enter the code the phone still working, but if i enter the code it takes 10 seconds and the screen become black and the phone restarts after about 20 sec.
I already wiped data and cache, and the IME code of the phone is still the same
can someone help me?!
Click to expand...
Click to collapse
Install Stock Rom onto it!!
Flash it with odin

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[Q] Samsung Galaxy S2 Skyrocket - Bootloop

Hi,
So my SGS2 Skyrocket is stuck in a boot loop. I've have the Sky Icecream Sandwich ROM installed for a few months now, and haven't changed anything recently.
What is happening is my phone with vibrate every 2-3 seconds with a blank screen. When I take out the battery/power source, and put it back in, the phone shows the Samsung splash (not the Android splash) for a few seconds, then goes blank and does the vibrating again.
I've tried plugging it into the computer, but the power it gets from USB turns it on and into the boot loop, so I can't get it into any kind of recovery mode. I also tried the Vol+Home+Power key combo, with nothing.
Any idea what could cause this/what the course of action should be? Thanks!
Turn phone on and wait 2 hours. If it wont work do what you use to do when you booting recovery mode. (home screen i guess). But hold it longer.
Good luck
nathan-96, do you have any idea what caused this? Because what's concerning me is that it's not getting past the Samsung icon (before android starts actually booting).
When you say turn it on, do you mean just put in the battery? Because the loop starts right when I put the battery in, it doesn't wait for me to press anything.
No, I meant turning it on. Hold centre button and put battery in. Just hold it for a moment. Hopefully you will reach recovery.
Sent from my GT-S5660 using xda premium
Can you access download mode instead of recovery? If so you could try re flashing something with Odin...
Definitely try getting the battery out for a few minutes and boot the phone while maintaining the combination to enter recovery
Sent from my GT-I9100 using xda premium
boot loop samsung galaxy s2 skyrocket
nathan-96 said:
Turn phone on and wait 2 hours. If it wont work do what you use to do when you booting recovery mode. (home screen i guess). But hold it longer.
Good luck
Click to expand...
Click to collapse
so i have a question, im having the same problem (obviously) but my cwm wont work and says something about md5 check sum and verfication? i dont know what the problem is but if the 2 hour thing doesnt work i at least need cmw to work so i can then at least install my custom rom to have my phone working. can you help? thanks
Possible a bad download...
You have CWM on your phone? Have you visited the forum for your device?
http://forum.xda-developers.com/forumdisplay.php?f=1399
technologic337 said:
so i have a question, im having the same problem (obviously) but my cwm wont work and says something about md5 check sum and verfication? i dont know what the problem is but if the 2 hour thing doesnt work i at least need cmw to work so i can then at least install my custom rom to have my phone working. can you help? thanks
Click to expand...
Click to collapse
AT&T Skyrocket BOOT LOOP Cyanongenmod 10
Hi ,
I´am playing with my Skyrocket to run the Cyanogenmod 10 and always I got stuck at Boot Loop .
This is what I have and did :
- Running AT&T Stock ICS 4.0.4 UCFL6 rooted ( I have a back up of this)
- CWM 6.0.1
- Cyanogenmod 10 Nightly Dec 07 , but I also tried with Cyanogenmod 10 Stable
- Gapps
- Factory Reset / wipe cache
- Wipe dalvik
- Mount/storage format system
- install using CWM Cyanogenmod
- install using CWM gapps
- Mount/ storage format cache
- reboot
I also tried to wipe twice as other threads say.
So I´am still with the boot loop
I returned my backup to the ICS ...
Thanks in advance !!!
Skyrocket Bootloop
Whats happening is the power button acts as if its being pressed. Thats why you have the bootloop and the phone turns on as soon as you put the battery in.
Try repeating pressing the power button or hold the power button without the battery for a few seconds. :fingers-crossed:

[Q] SAMSUNG GT-S5570i SIM PROBLEM CMW v5.0.2.8

hello,
i'm using a samsung galaxy GT-S5570i , after i installed CMW based recovery V 5.0.2.8 i faced a problem after inserting a sim card in the phone:
- if i turn on the phone without sim the phone works normaly..
- if i put a sim in the phone and turn it on the phone starts normaly and asks for Sim PIN code, if i dont enter the code the phone still working, but if i enter the code it takes 10 seconds and the screen become black and the phone restarts after about 20 sec.
I already wiped data and cache, and the imei code of the phone is still the same
can someone help me?!
Update
SOLVED

sim card crash

hello,
i'm using a samsung galaxy GT-S5570i , after i installed CMW based recovery V 5.0.2.8 i faced a problem after inserting a sim card in the phone:
- if i turn on the phone without sim the phone works normaly..
- if i put a sim in the phone and turn it on the phone starts normaly and asks for Sim PIN code, if i dont enter the code the phone still working, but if i enter the code it takes 10 seconds and the screen become black and the phone restarts after about 20 sec.
I already wiped data and cache, and the imei code of the phone is still the same
can someone help me?!

Very unusual behavior Galaxy S6 G920F (Europe)

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Because i was to lazy to digg after the issue , reset and retry. etc.
Android Version : 5.1.1
Kernel version : [email protected] #1
Baseband :G920FXXU2COH2
After 2 years of problemless using , while set my phone for charging it entered a start screen with the samsung logo
and a red little writing message : Kernel is not seandroid enforcing.
I could enter download modus , try to reboot , every time the device either remains stuck on the samsung logo ,
either sometimes tries to boot the Android but remains stuck halfaway , sometimes with a loop af the bootmusic , the only way to
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I thought i would never be able to restart the device again. Somehow i thought to wipe cache one more time and then , from the recovery mod i choose power down
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