How To Fix Damaged Phone When Replacing The Screen. This OPPO A7X from a fan had been replaced the screen by himself. But due to insufficient experience, he replaced the screen without power off, as a result, the screen BTB connector and power supply circuits have been damaged because of short circuit. In this video, we share how to fix OPPO A7X display circuits faulty on motherboard and what should be avoided when replacing a screen. Hope that it can help you replace the screen safely. -------------------------------- Products,Tools and Materials Used in the Video : OPPO A7X screen: https://www.cinomall.com/collections/oppo-a7x/products/lcd-assembly-for-oppo-oppo-a7x-f9-blackincell Anti-static wrist strap: https://www.cinomall.com/collections/tools/products/anti-static-wrist-strap Screwdriver set: https://www.cinomall.com/collections/tools/products/scredriver-set-6pcs Hot air gun desoldering station : https://www.cinomall.com/collections/tools/products/atten-ms-300-3-in-1-combination-hot-air-gun-desoldering-station-dc-power-supply-maintenance-system Anti-static rubber mat: https://www.cinomall.com/collections/tools/products/silicone-repair-mat Multimeter: https://www.cinomall.com/collections/tools/products/digital-multimeter-vc890c Tweezers: https://www.cinomall.com/products/anti-static-tweezers-esd-12 Welding paste: https://www.cinomall.com/collections/tools/products/solder-paste Solder flux: https://www.cinomall.com/collections/tools/products/soldering-flux Anti-static glass wiper: https://www.cinomall.com/collections/tools/products/glass-wiper Pry bar: https://www.cinomall.com/products/plastic-pry-bar Cutting nippers: https://www.cinomall.com/products/cutting-nipper-1 10uF capacitor