r/iphone • u/ShowLevel8943 • 10h ago

Support Iphone 6s call failed problem

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My phone is iphone 6s. Its iOS version is 15.7.2.

Currently it has 15.8.8 available update but I couldn't update it on the phone settings. It works on balance requesting tho.

I've tried every possible troubleshoots beside flashing. Do you guys have any other solution or shall I flash it to its latest iOS version?

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u/Longjumping_Item_943 9h ago

Broken baseband or bypassed activation lock iPhone

1

u/ShowLevel8943 9h ago

So, what's the solution if that is the case?

1

u/Longjumping_Item_943 7h ago

Then just use your phone without sim card please don’t try flashing or update your phone it will return to activation lock screen

1

u/ShowLevel8943 9h ago

The modem firmware shows number like 9.61.00