| Condition | Details | |-----------|---------| | | Released after May 2015 (most iPhone 6S and later, all recent Android models). | | Payment status | No outstanding device installment balance (SoftBank 分割払い fully paid). | | Contract status | Active SoftBank voice/SMS contract or contract ended with no unpaid fees. | | Blacklist status | Device is not reported lost/stolen and not on SoftBank’s unpaid-charge blacklist. | | Previous unlock | Not already unlocked (cannot be re-locked). |
To truly unlock your phone, you must go through SoftBank’s official portal. As of 2024-2025, Japan’s Ministry of Internal Affairs and Communications (MIC) has forced all carriers, including SoftBank, to comply with the "SIM Unlock Mandate." softbank unlock sim
As described earlier, this is a physical chip. For a SoftBank iPhone 12/13/14 running iOS 16 or 17, these are becoming increasingly unusable because Apple patches the exploits with every update. | Condition | Details | |-----------|---------| | |