Can't unlock the Sony Xperia 10 iii, bootloader unlock says "No"

On some unlocked Docomo phones, re-locking without stock firmware will brick the device. Always flash full stock firmware first.

(e.g., SH-04L) rather than the marketing name (AQUOS R3) before downloading any files. If you'd like to move forward, tell me: What is your specific docomo model number Do you have a Windows or Linux PC available? full OS change

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