Acer Iconia B!-850 - GSM-Forum

Stevefilby · 06-22-2019, 16:46

Hi
I received this tablet for FRP. I tried identify with 1.58 and got:
Card found : S/N : CB9B2364 , v0137
Chinese Miracle II [MTK module] v 1.58

Operation : Check / Read Info [ v1.58 ]

1. Power Off Phone , Remove battery , Insert back
2. Insert USB cable. In some cases require hold BootKey

Wait for phone...
Phone found! [ 4 ]
Sync...
Inital Boot Ok!
BB_CPU_PID : 8163
BB_CPU_NME : [MediaTek] MT8163_S00
BB_CPU_EXT : 0xCB00 , 0x8A00 , 0x0000
Processing BROM stage
Settings for BROM configured!
SecCfgVal : 0x00000000
BromVer : 0x00FF
BLVersion : 0x0001
PreLoader : Active [ Boot with PL ]
BootLdrSS : NORMAL with PRELOADER
Processing DA stage
DA Select done, will use MTK_AllInOne_DA_v5.1624.16.07
Sending and initialize DA ...

[DA_ERROR] : SECURITYBOOT_BOOT_NOT_ACCEPTED
Boot Error!

Operation Failed
Elapsed: 00:00:05
Reconnect Power/Cable!

Then with ver.2.06
Operation : Identify [ v2.06 ]

1. Make sure device is powered off. Power off, if need. Wait 20 seconds after
2. Insert USB cable in phone
Waiting for device connection ...

PTFN : MediaTek PreLoader USB VCOM (Android) (COM4)
MODE : PRELOADER PORT
PORT : 4
Waiting BOOT ack ...
PRELOADER : ACK confirmed!
BROM : Init BROM
BROM init passed!
CHIP : MT8163 , SBID : 0x8A00 , HWVR : 0xCB00 , SWVR : 0x0001
TYPE : LEGACY MTK
BROM : SecLevel : 0x00000000
BROM : SecMode : PLAIN [+PRL]
BROM : PRELOADER PORT
MODE : 0_base : BASE_v1712 | Manual : Disabled
AGENT : Look for suitable BootChain in DA ...
AGENT : MTK_AllInOne_DA.bin
AGENT : Found MT8163
AGENT : MTK_DOWNLOAD_AGENT
BROM : Sending 1st DA ...

BROM : 0x00002001 : DA SEND ERROR!
ERROR : SECURE BOOT : MISMATCH BOOT SIGNATURE!
INFO : PRELOADER Level : Connect device in BROM mode!

Error : Fail to init protocol!
Remove battery, cable. Check cable/connection/driver! Check SW hint! Repeat operation!

Reconnect Power/Cable!

I need the correct DA file for this model please.

Thank you

Steve

06-22-2019, 16:46	#1 (permalink)
Stevefilby Freak Poster Join Date: Dec 2015 Location: GREAT YAR*** Posts: 335 Member: 2495115 Status: Offline** Thanks Meter: 34	Acer Iconia B!-850 Hi I received this tablet for FRP. I tried identify with 1.58 and got: Card found : S/N : CB9B2364 , v0137 Chinese Miracle II [MTK module] v 1.58 Operation : Check / Read Info [ v1.58 ] 1. Power Off Phone , Remove battery , Insert back 2. Insert USB cable. In some cases require hold BootKey Wait for phone... Phone found! [ 4 ] Sync... Inital Boot Ok! BB_CPU_PID : 8163 BB_CPU_NME : [MediaTek] MT8163_S00 BB_CPU_EXT : 0xCB00 , 0x8A00 , 0x0000 Processing BROM stage Settings for BROM configured! SecCfgVal : 0x00000000 BromVer : 0x00FF BLVersion : 0x0001 PreLoader : Active [ Boot with PL ] BootLdrSS : NORMAL with PRELOADER Processing DA stage DA Select done, will use MTK_AllInOne_DA_v5.1624.16.07 Sending and initialize DA ... [DA_ERROR] : SECURITYBOOT_BOOT_NOT_ACCEPTED Boot Error! Operation Failed Elapsed: 00:00:05 Reconnect Power/Cable! Then with ver.2.06 Operation : Identify [ v2.06 ] 1. Make sure device is powered off. Power off, if need. Wait 20 seconds after 2. Insert USB cable in phone Waiting for device connection ... PTFN : MediaTek PreLoader USB VCOM (Android) (COM4) MODE : PRELOADER PORT PORT : 4 Waiting BOOT ack ... PRELOADER : ACK confirmed! BROM : Init BROM BROM init passed! CHIP : MT8163 , SBID : 0x8A00 , HWVR : 0xCB00 , SWVR : 0x0001 TYPE : LEGACY MTK BROM : SecLevel : 0x00000000 BROM : SecMode : PLAIN [+PRL] BROM : PRELOADER PORT MODE : 0_base : BASE_v1712 \| Manual : Disabled AGENT : Look for suitable BootChain in DA ... AGENT : MTK_AllInOne_DA.bin AGENT : Found MT8163 AGENT : MTK_DOWNLOAD_AGENT BROM : Sending 1st DA ... BROM : 0x00002001 : DA SEND ERROR! ERROR : SECURE BOOT : MISMATCH BOOT SIGNATURE! INFO : PRELOADER Level : Connect device in BROM mode! Error : Fail to init protocol! Remove battery, cable. Check cable/connection/driver! Check SW hint! Repeat operation! Reconnect Power/Cable! I need the correct DA file for this model please. Thank you Steve