Help! iPhone 5s wake service on iOS 9.3
Just OTA to iOS 9.3, the service become so wake, 4G is so slow and often down to 3G or EDGE, I tried restore but nothing help.
Known issues with iOS 9.3
The "list" of pertinent articles as I know them to be as of now
- you can read about the problems in these articles, and possibly find workarounds, particularly in the last one
- If you can't activate your iPhone, iPad, or iPod touch after installing a software update - Apple Support
- Apple pausing iOS 9.3 updates for older devices, working on activation fix | iMore
- Apple releases new build of iOS 9.3 for users of iPad 2 affected by bricking bug | 9to5Mac
- Apple Addresses GSM iPad 2 Activation Bug With Revised iOS 9.3, but Broader Issue Remains Unfixed - Mac Rumors
- If you can’t activate your iPad 2 (GSM model) after you update to iOS 9.3 - Apple Support
- Troubleshooting iOS 9.3 Update Problems
From a post by: ChitlinsCC