However, we have prepared 5 ways to fix iphone firmware not compatible for you, and you can try them out, because you will probably solve the problem.. Help !!!!! i have a iphone 5 a1428 model and i downloaded the right firmware of ios 7 twice ! i restored to the latest 6.1.4 but still when i hit option+update it says "firmware not compatible " . i even tried with a a1429 firmware , but no luck.pleeeeeeeez help !!!!. Receive message "firmware file is not compatible" please guide me. thanks. more less. iphone 4, ios 5.1.1 posted on jun 6, 2012 6:56 am. reply i have this question too (35) i have this question too me too (35) me too. all replies. first page 1 of 1 page 1/1 last loading page content.
Also be aware that unless you mod the plist file of the 8.4.1 backup you will not be able to restore the 8.4.1 backup on a newly-restored 8.4 phone. permalink embed. I have an iphone 5 and i am running on ios 10.3.2 and i dont really like ios 1o that much but im trying to restore my iphone to ios 6.0 but it wont let me because it keeps saying my iphone could not be restored cause the firmware file not compatible is there any way i can fix or get thought this anyone.. Here i recommended fastest and easy way to get or download ios 9 firmware file for compatible ios device that not rumours but we must expect as usual done with folks always. any you can download ios 9 will release in coming fall and ios 9 beta in july, at first from below firmware source..