Error -1 ( A4 and A5 ) Devices ...
 

hello i want to share some information about error -1 :-

i faced this problem in some sets of iphone 3gs , 4g , 4s , 5 and this error was both hw and software problem but u have to try these steps 1st

Software error solution :-
( A4 ) Devices

1- change cable and usb port ( some times if the baseband is hang or need to be refreshed this will help )
2- restore iphone direct from itunes without selecting firmware from pc .
3- open tiny or redsnow and use fix recovery .
4- restore custom firmware .

( A5 ) Devices

1- change cable and usb port ( some times if the baseband is hang or needs to be re flashed this will help )
2- restore iphone direct from itunes without selecting firmware from pc .
3- put in dfu mode and remove battery for some hours not less than 5hours and then restore .

hardware solutions :

( A4 - A5 ) Devices

1- change battery ( some times if the battery not stable in charging )
2- clean the board and check the battery connector .
3- reheat baseband and if necessary reball the baseband

Your problem will be solve ,

i wish this may help u solve ur problem

In all cases error is Baseband related, so with small brain steps are easy to discover ...

ur right i just needed to help coz i found alot of people asking about it any way thanks for ur replay

There a good news is that glue in iPhones is easy to remove, so repairs are possibe

Do we have to reball or change the basband IC ?

i think so,In all cases error is Baseband related, so with small brain steps are easy to discover http://www.oksky.us/imiss/images/5.gif

reball 1st then change it u face the same problem

anyone have a pict ic baseband ipad 1st gen ?? .

for who have 4s with itunes -1 error you can just simply restore with redsnow 0.9.15b3 select 6.1.3 firmware ;)

Baseband error bro...

thans bro
 

dear bro ur information is usefull. A lot of thanks.
I have a iphone 4g it just keep searching then no service pls help me for this
thanks

I have the same error