: This restriction is not a technical limitation of the hardware itself but a mandate from NTT DoCoMo to Sony and other manufacturers to ensure system integrity and prevent unauthorized modifications. The Technical "Deep Dive": Hardware vs. Software
Remember: If the keyword "docomo unlock bootloader top" brought you here, . Some Docomo phones (like the latest Sharp R9) are permanently locked. Good luck docomo unlock bootloader top
Can't unlock the Sony Xperia 10 iii, bootloader unlock says "No" : This restriction is not a technical limitation