No app can measure charging speeds accurately. Hence don't rely on those. Rely on the actual time it takes to charge (preferably compare timings from like 10-20% to 80-90% as it's the time when phone charges at peak speeds.
Turn off your smartphone. Press and hold the Power button. Let go the Power button when you see “Samsung Galaxy S5” on the screen. In the wake of letting go of the Power key press the Volume Down key instantly and continue holding. Try not to let go the Volume Down key until your Galaxy S5 completes the process of restarting. Xiaomi Redmi Note 8 2021 Android smartphone. Announced May 2021. Features 6.3″ display, MT6769Z Helio G85 chipset, 4000 mAh battery, 128 GB storage, 4 GB RAM, Corning Gorilla Glass 5.Options. First you want to make sure that your charger and Data cable are good. Test them on another phone to make sure it is working or you can use a multimeter to test the pins to make sure it is working. If it is working properly, then check the port itself on the phone. Using a strong Iso alcohol (90% - 99%) clean out the charging portF0kDF.