Apple iPhone 4S Firmware iOS Update 9.3.5 Download

HELP] trying to downgrade iPhone 4s 9.3.5 to 8.4.1 but stuck with apple logo after downloading the firmware from ota during downgrade bar comeplete it's just stuck here nothing come I tried

Question - Flashing firmware to iPhone 4S A1387 AnandTech Forums: Technology, Hardware, Software, and Deals

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