one
You can check first to see if there is a problem with no charging head and data cable; It is also possible that the phone does not recognize the fast charge function of the charger;
two
First turn off the battery of the phone until the automatic shutdown, and then plug in the original charger to charge, do not turn on and keep the shutdown charging, until the breath light turns green and 100% power before turning on. Slow charge
three
Go to the phone's [Settings] - [About the phone] - [MIUI version], and then click 5 times in a row, you can open
four
If you still can't use the fast charge, you can only get the phone to the after-sales point for maintenance.
one
Check that the charging head is working properly.
two
Check that the USB charging socket (the tail plug) of the phone is working properly.
three
Check that the battery inside the phone is working properly.
four
If the above checks are normal, then the problem may be a problem with the charger control circuit.
The above answers hope to help a lot of friends, thank you for your support.
Xiaomi k30 fast charge failure, may be fast charge head or data cable problems, to replace