How does Gionee 8848 get the default permission of SMS?

Turn on the phone. The housekeeper is authorized. The mobile phone system is quite smooth, without jamming and flashing; The battery life is good, and the standby 10 hour consumes 6% power. Battery optimization is really powerful.

Multi-tasking performance is good, switching is fast, and 8-core 3g storage is really powerful. Just sum up the relative performance of this machine.