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☑ Product Specification ✹ Battery Model: B-N2 ✹ Capacity: 4200mAh ✹ Compatible Device: VIVO X50 ✹ Compatible Models: 2004 ✹ Inclusions: Free 8-in-1 Tool Kit for DIY replacement ✹ Product Quality & Shipping ✹ 100% Brand New guaranteed ✹ Fully tested and quality inspected prior to dispatch ✹ Securely packaged to prevent transit damage Warranty & Testing Guidelines ✹ Pre-Installation Test: Connect the battery cable to test functionality before removing protective seals or applying adhesive. ✹ Model Verification: Double-check your exact phone model number (found in device Settings or on the back cover) before purchasing. Returns for incorrect models ordered are not covered. ☑ Warranty Exclusions (Void Warranty) ✹ RETURN THE ITEMS AND ALL FREEBIES ✹ Physical damage or battery bloating ✹ Glue or adhesive marks on the unit ✹ Damage sustained during installation ✹ Removal or loss of warranty labels/stickers ☑ Return & Exchange Policy ✹ Duration: 2-week warranty covering manufacturing defects. ✹ Notification Period: Report defective units within 3 days of receipt (must include proof of purchase). ✹ Deadline: Claims and returns submitted after 1 week from purchase date will not be accepted. ✹ Installation Note Professional installation by an experienced technician is recommended to prevent accidental damage.