No need, Huawei mobile phone to change the charging port is not required to carry out a brush, that is, you in the repair process, you can open your maintenance mode, protect your personal privacy, and then after the repair is completed, close this mode is OK, this mode is still more reliable, that is, after the beginning of the word, you can not see any information, For your personal privacy, there are certain benefits
No, brushing is using data to brush the system, repairing the phone is just changing parts,