How To Fix All Android Phones Slow Downloading - Why Your Phone Has Low Internet Speed-Repair Ideas

Repair Ideas On All Android Phones - Why Your Phone Has Low Internet Speed.
Does it happen to your repairs?
phone network has a serious slow network, but a strong signal being there.
To blame the mobile network operator is not always right, since the issue might be caused by phone faulty, and you could lose your customers by doing so.
Tools and materials On this video:
Screwdriver set: https://www.cinomall.com/collections/...
Hot air gun desoldering station: https://www.cinomall.com/collections/...
Anti-static rubber mat: https://www.cinomall.com/collections/...
PCB holder: https://www.cinomall.com/collections/...
Multimeter: https://www.cinomall.com/collections/...
Tweezers: https://www.cinomall.com/products/ant...
Welding paste: https://www.cinomall.com/collections/...
Solder flux: https://www.cinomall.com/collections/...
Pry bar: https://www.cinomall.com/collections/...
Xiaomi CC9 inductor L0439