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Old 05-13-2017, 07:11   #1 (permalink)
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lenovo A7020a48 cm2 fail to take back up n write nv file plz help


Hello support cm2 fails when in most lenovo mtk comes in process

lenovo A7020a48

cant take backup of nv cant write and cant flash the firmware ...and even cant unlock bootloader ....

log file as below


Operation : Read NVRAM [ 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! [ 8 ]
Sync...
Inital Boot Ok!
BB_CPU_PID : 6755
BB_CPU_NME : [MediaTek] Helio[P10]|MT6755_S00
BB_CPU_EXT : 0xCB00 , 0x8A00 , 0x0000
Processing BROM stage
Settings for BROM configured!
SecCfgVal : 0x01000000
BromVer : 0x00FF
BLVersion : 0x0001
PreLoader : Active [ Boot with PL ]
BootLdrSS : SIGNED with SPRELOADER
Processing DA stage
DA Select done, will use MTK_AllInOne_DA_v5.1624.16.07
Sending and initialize DA ...
DAgent configured successfully
Connection agent : PRELOADER
DRAM already initialized by Preloader
Link with DAgent established
eMMC FlashIC initialized
[eMMC] : FLASH_VEN : 0x15 , OEM : 0100
[eMMC] : FLASH_INF : [SAMSUNG] , BM41X
[eMMC] : FLASH_CID : 150100525831344D42079AC8E076639D
[eMMC] : FLASH_BRT : 0x00400000 , 0x00400000 , 0x00400000
[eMMC] : FLASH_LEN : 0x0000000747C00000
[eMMC] : FLASH_UCP : 29820 MiB [eMMC 32 GiB]
DEV RID : 0x382CBB4C34B06DFCBDB36FBD1C0B564C
INT RAM : 0x00000000
EXT RAM : 0x80000000 [2 GiB]
[NAND] : FLASH : NOT INSTALLED
[UFSM] : FLASH : NOT INSTALLED
[HSUSB] : MODE : HIGH-SPEED
Boot Ok!

Read Error , NVRAM area is blank or damaged

need to work on lenovo mtk mobile ...cm2 developers
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Old 08-09-2017, 20:48   #2 (permalink)
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please read nvram with cm2 for a7020a48 and post link
or please read fullflash from this phone and post link
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Old 02-01-2018, 23:35   #3 (permalink)
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Please help me lenovo A7020a48 After flash BASEBAND UNKNOWN I TRIED ALL METHODS BUT PROBLEM NOT SOLVE PLEASE ANY ONE SHARE NV FILE MY PHONE IS 64GB PLEASE HELP ME URGENTLY REQUIRED PLEASE UNDERSTAND
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Old 04-14-2018, 08:54   #4 (permalink)
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hardly need lenovo a7020a48 nv file
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