Which of the situations cannot be guaranteed?
1. Fragile warranty stickers on the handset are torn or altered.
2. The warranty period and scope are exceeded, and the warranty does not meet the requirements.
3. Any manual damage: Self-disassembly, version modification and upgrade, and online burning;
4. Damage caused by failure to use, maintain, or maintain the product in accordance with the product user manual.
5. Damage caused by accidents or natural loss: Ingress liquid (color change of the entry card), crack, broken antenna, scratches, loose cable, liquid leakage caused by liquid crystal pressure, touch screen failure, broken keyboard, and large-current charging burn.
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