1. The fault occurs within the applicable component warranty period; the device has been used and maintained according to the manual; and the fault results from an original material/workmanship defect rather than external-force damage.
2. No unauthorized disassembly, modification, third-party accessories, or third-party firmware.
3. A genuine, complete, legally valid order or proof of purchase can be provided.
4. The device has not been transferred to an internationally sanctioned/restricted region and is used within its originally authorized purchase region.