OPPO A3S CPH1853 charging problem solution
⚡️ Is your OPPO A3S (CPH1853) not charging, showing fake charging, or charging very slowly? This video provides a complete hardware solution to diagnose and fix all types of charging issues in the OPPO A3S.
🛠️ Problems Covered:
Not charging at all
Charging logo appears but battery doesn’t increase (fake charging)
Slow charging
Charger not detected
Loose or damaged USB port
No charging after water damage or fall
🔧 Step-by-Step Repair Covered:
✅ Basic Inspection:
Try a different charger & cable
Clean charging port using IPA or brush
Check battery health using multimeter
✅ Hardware Fixes:
Inspect and replace charging connector (USB port)
Replace or jumper broken charging lines on sub-board
Check for damage to charging IC on mainboard
Test and replace filter capacitors or charging resistors
Replace the sub-board if corroded or burnt
✅ Fake Charging Fix:
Test VBUS and VCHG lines with multimeter
Re-solder or replace charging IC if voltage is unstable
Jumper solutions shown in video for missing voltage
💡 Pro Tip: Many OPPO A3S charging issues are due to damage in the sub-board or USB port corrosion from moisture. Always check the port under magnification.
📱 Compatible Model: OPPO A3S CPH1853
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