Search results: upgrade ios

it is likely that apple will carry out the signing of ios 13.1.2 and 13.1.3 in the next few days, then users will not be able to upgrade or downgrade to these two versions.

after the developer version, ios 10 was released by public beta, which ordinary users can download and install. if you are trying the public beta version, you will experience some

the problem of ios 9 connection error (iphone 6, iphone 6 plus) also happens quite often. the problems that ios 9 users often encounter such as not being able to connect to the