You face the problem after upgrad and jailbreak 3g,3gs, hang on apple logo or restrat
 

Hi
my 3gs after upgrade hang on apple logo and not solve this problem i try every thing but:(

u face this problem still or not

yes my iphone stuck on apple logo

ok u do as the folowing :
step one : restore with original 4.1
step two : exit recovery mode using tyniumbrela
step three : jailbreak using limera1n
voila
then install cydia then ultrasn0w ....

my iphone 3gs after upgrade hang on apple logo

u need to boot terthered in redsn0w

hi , mi problem:confused: is in the step3. i cant go out from recovery mode, always back to recovery mode..

no i tried with many sets with no problems

i have 2 iphone 3gs like same problem but i cannot solve that problem plz any one my phone version is 4.1.2

just boot tethered problem solve

Hi,me too I got same problem for 4 3GS so dv team do something about it.thank u

bro a have also in a 4g phone and 3gs,,,i have tried all things except any hard ware,i think this problem having for hardware.pls moderator help us

now my 3gs working fine after upgrade 4.2.1
now i try second i phone
than i write here solution
[IMG]http://i52.tinypic.com/v65hdf.png[/IMG]

hi
do you have 3gs with old bootrom you dont get any probleme

restore your iphone with 4.2.1
2:Open Redsnow redsn0w_win_0.9.6b6
3:Select Original 3GS Firmware iPhone2,1_4.2.1_8C148a_Restore
4: The New Message Box Will Pop up so Click YES ad select install just cydia
after jailbeal your iphone stuck in aple logo no prblem and dont try to flash again just do with redsnow shose JUST BOOT TETHERED RIGHT NOW option and wait for boot .and power norman ,then go to cydia instal ,source and add repo666.ultrasnow.com insttal it now iphone ask to reboot .accept after reboting iphone stuck in aple logo yu need to open redsnow shose JUST BOOT TETHERED RIGHT NOW option .after that your iphone work normantly