check bên mxkey thì
ASIC ID: 0x2293 [UPPCosto ver: 2.0]
u3_2nd.fia: [DCT4] version: 4.70.1 revision: 0.7 size: 0x9A8
Supported Ids: 3040, 2292, 2293, 3162, 3166, 3168
BootLoader not responding, mostly RAM problem !