iOS 9.3.5 was the final update for the A5 devices, released in August 2016. It patched several critical security vulnerabilities. Because Apple stopped signing this firmware years ago, you cannot restore the device to a "clean" state via iTunes without updating it, which is impossible on this hardware. This leaves the device in a state where the software is frozen in time, but the security protocols remain active.

A true, permanent removal is only possible through Apple’s official channels.

: If you have the Apple ID credentials, sign in to iCloud Find My, select the iPad, and choose Remove from Account .

For technical users, the only "permanent" bypass for an A5 device like the iPad Mini 1 on iOS 9.3.5 involves entering to change the device's serial number.

: If you have the original proof of purchase (sales receipt with the serial number), you can start an Activation Lock Support Request Technical Bypass Options

. Because this device uses a 32-bit A5 chip, common modern jailbreak tools like checkra1n are not compatible. Permanent Bypass (Hardware-Based)