1. After the mobile phone swipes the card, the mobile phone may not reach the best working state, and some functions may not work normally. At the same time, because the third-party firmware has not been fully tested, there may be problems such as poor compatibility and system vulnerability to virus invasion.

2, brushing the machine will bring unpredictable negative effects, so be sure to operate with caution. If the equipment can't be used normally and can't be recovered, you need to bear your own risks.

3. Huawei's after-sales service outlets can handle the software and hardware failures caused by brushing T as non-warranty, and charge for the maintenance of ordinary over-guaranteed software.