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Last Updated: March 31, 2021
Hi, I faced a product last 3 days, I try many times to login in iTunes & App Stores. Every time I see an error, Could Not Sign In Authentication Failed ...
Explain the Problem you are Facing with Could Not Sign In App Store Authentication Failed
2 Answers · Restart device · Reset network settings (if you can get to them) · If resetting device and settings didn't work, check for an iCloud backup or iTunes backup ...
Apple ID worked and all Google apps (YouTube) started working again. ... This could be caused by a number of scenarios. ... seen many people not realise they weren't connected, especially after an iOS update. ... Go to Settings >iTunes & App Store; Tap on your Apple ID at the very top; Tap on Sign Out; Now sign back in.
If the iTunes Store couldn't connect upon launch, close the application and try again. ... Basically, the connection is so slow that the authentication (login) process ... There was also a problem a few years ago where Apple failed to properly ...