R1.5.6.1 — Write Imei

Digits: 4 9 0 1 5 4 2 0 3 2 3 7 5 1 Double every second from right (excluding last): (4, 18, 0, 2, 5, 8, 2, 0, 3, 4, 3, 14, 5, 2) Reduce >9: 4, 9, 0, 2, 5, 8, 2, 0, 3, 4, 3, 5, 5, 2 Sum = 52 → 52×9=468 → last digit = 8 ✅

For some Android-based SPD devices, enabling USB debugging in Developer Options may be required. Original IMEI: write imei r1.5.6.1

(Diagnostic Mode) and connected to a PC via USB. This ensures the computer recognizes the device's internal communication port. Configuration WriteIMEI.exe interface, the user must select the correct Digits: 4 9 0 1 5 4 2

In most countries, is legal only if you are restoring the original IMEI after a software corruption or motherboard repair. Changing an IMEI to bypass a blacklist or hide a stolen phone is a criminal offense. This guide assumes you are performing a legitimate repair on your own device or have explicit ownership authorization. Configuration WriteIMEI