This video shows two ways to downgrade iOS 15 to 14 without losing data easily.
Use WooTechy iMaster to downgrade iOS in a few clicks:
Text guide: https://bit.ly/3zDtIRg
Timestamps:
? 0:30 Turn OFF Find My iPhone
? 0:46 Backup before downgrading
? 1:05 Where to download iPSW files
? 1:25 Downgrade iOS on iTunes
? 1:53 Downgrade iOS in an easy way
? 2:46 Restore data on iTunes
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#downgradeios15
#downgradeios15to14
#downgradeios15to14withoutlosingdata