What is problem

Dear Sir What is this problem

Q mobile A10


Action : Boot Info.
 Selected 0-By CPU:MT6571_EMMC
 Exe version: Avengers Box MTK 0.2.4
 Reinsert phone battery.
 Battery must be charged.
 Phone must be off with battery inside.
 Please insert USB cable now...
 Detected : MTK USB Port (COM5)
 Phone detected...Please wait
 Sending DA agent, please wait...
 BBCHIP MT6589_S01
 Connect error[5054]: An error occurs might be the following reasons:
 1. There does not exist the MTK_ROM_INFO structure in the ROM;
 2. There does not exist the MTK_BLOADER_INFO structure in the boot-loader;
 3. It is not NFB-booting;

 Boot Fail.!!!.
 All done.