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1) Product Description 🔋 Cellmaxs Premium Battery – A cost-effective battery solution offering reliable performance and excellent value for daily replacement needs. 2) Suitable For Repair Use ⚠️ This battery is suitable for fixing: • Battery drains fast ✅ • Battery percentage drops quickly ✅ • Phone shuts down randomly ✅ • Short battery life ✅ • Battery swelling ✅ • Old battery cannot hold charge ✅ • Battery replacement for repair use ✅ This battery may NOT solve problems caused by: • Damaged motherboard ❌ • Charging port problem ❌ • Charging IC problem ❌ • Water damage ❌ • Software/system issue ❌ • Wrong model or wrong connector ❌ If your phone cannot power on at all, please check the motherboard and charging port first before replace. 3) Compatible Models🔎 • Infinix Smart 7 / X6515 ✅ • Infinix Smart 7 HD / X6516 ✅ • Infinix Smart 8 / X6525, X6525D ✅ • Infinix Hot 30i / X669, X669D ✅ Battery Model: BL-49NX ✅ 4) What’s Included📦 • Battery Only Replacement Battery x1 Battery Adhesive x1 • Battery & Tools Replacement Battery x1 Battery Adhesive x1 Installation Tool Kit x1 5) Warranty Policy🛡️ Warranty: 1 months from the date of package receipt ✅ Warranty valid: • Factory defect • Battery cannot work during pre-installation testing • Battery swelling or leakage on arrival • Shipping damage / missing items • Wrong item received ❌ Warranty void: • Battery already installed and damaged during installation • Battery bent, punctured, pressed, cut, or deformed • Flex cable or connector damaged • Damage caused by wrong installation • Damage caused by water-damaged phone • Damage caused by motherboard / charging port / charging IC issue • Damage caused by improper charger, overheating, or short circuit • Wrong model ordered by buyer For warranty checking, please provide clear photos and videos before installation. 6) Installation Reminder 💡 ① Power off the phone before installation. ② Compare the old battery model, size, connector, and flex cable position before installation.