①, on the charging of the above charging treasure has always shown that 188 can not be charged, to this situation, we must first check whether the charger is normal for charging the charging treasure.
(2) Check whether there is poor contact inside the charging data cable.
3, check the charging data cable plug and the charging port of the charging treasure, whether there is poor contact between the two.
If the above checks are normal, then focus on checking again, the battery and charging control circuit inside the charging treasure can be.
This should be a problem with the power display, this is made of an ordinary diode, the normal is 100,0 in the middle of a cross more displayed, so it is 188, if your charging treasure is still in the warranty period, then you should contact the seller as soon as possible, to see if you can repair or change.