unspecified server error [0x2746]

    request denied.
CARD COUNTERS: FLASH 0, UNLOCK 0
Elapsed: 1 secs.

SIGNED MODE (USING SERVER)
CFG:100010000000
PLEASE ATTACH TURNED OFF PHONE NOW
PRESS AND HOLD "BACK" OR "VOLUME DOWN" BUTTON ...
 
RUNNING S1_BOOT VER "S1_Boot_Lagan_1.1_10"
 
ACTIVE_COMP_AID : 0001
HWCONF_AID : 0001
LOADER_AID : 0001
BOOT_AID : 0001
 
[ llcomm: 00080000,00080000 ]
DEVICE ID: 021FCD3D
FLASH ID: "0011/01000010"
LOADER VERSION: "APQ8064_39"
 
PHONE IMEI : 3565000000000
Checking for signature ...
Waiting for calculation process ...
request denied.
signature calculation not done,err: 144
Unlock FAILED
Elapsed: 12 secs.