Huawei y520-u22 mac address issue - GSM-Forum

Nasir Mobiles · 12-19-2015, 12:58

HUAWEI Y520-U22 MAC address changed on every on/off or reboot.

this issue came after write backupd firmware.
before firmware write phone was infected by virus I took backup of same phone 1 month ago and now phone become infected by virus so I wrote back with SPF and now phone changing mac address on every switch and also showing one extra ssid NVRAM WARNING: err=0x10

help to solve this problem customer using wifi service and WISP binding his mac in router.and they cant open server for only one single client.

JayDi · 12-19-2015, 13:00

It because nvram were damaged. Need write working VNRAM and make reset settings. After all will work.

Nasir Mobiles · 12-19-2015, 13:06

already tried but not solved.

Code:

Operation : Write NVRAM [ v1.39 ]

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

Wait for phone...
Phone found! [ 38 ]
Sync...
Inital regs read done
Boot Info : 
BB_CPU_ID : 6572
BB_CPU_HW : CA01
BB_CPU_SW : 8A00
BB_CPU_SB : 0000
BB_CPU_NM : [MediaTek] MT6572_S00
Processing BROM stage
BLVersion : 0x01
SecCfgVal : 0x00000000
BromVersion : 0xFF
BLVersion : 0x01
Preloader Status : Alive
Processing DA stage
DA Select done , sending 
DA Ver : MTK_AllInOne_DA_v5.1540.01.01
NAND_ID : 00000000000000000000000000000000
eMMC_ID : 45010053454D3034473C03CB41F732A7
DA Stat : v4.2 on BBID : 0x88
DA Sent. Configure setting now ... 
DA started successuflly
eMMC FlashIC initialized
[eMMC] : FLASH_VEN : 0045 , OEM : 0100
[eMMC] : FLASH_INF : [SANDISK] , G40ME
[eMMC] : FLASH_CID : 45010053454D3034473C03CB41F732A7
[eMMC] : FLASH_EXT : 0x00200000 , 0x00200000 , 0x00200000
[eMMC] : FLASH_LEN : 0x00000000EC000000
[eMMC] : FLASH_UCP : 3776 MiB
INT RAM    : 0x00020000
EXT RAM    : 0x20000000
BOOT TYPE  : EMMC_FLASH_BOOT
SOC VERIFY : C1
Boot Ok!

[NVCheck] : BBID : MT6572 , NVID : MT6572
[NV] : Write Ok!

[Info] : NVRAM Repair on erased/damaged phone : 
1. Fix Unknown BaseBand
2. Write NVRAM
3. Repair Security

Done!
Elapsed: 00:00:28
Reconnect Power/Cable!

JayDi · 12-19-2015, 13:07

1. Fix BB
2. Write NVRAM
3. FullFactory reset

Nasir Mobiles · 12-19-2015, 13:12

Thumbs Up

Thanks

12-19-2015, 12:58	#1 (permalink)
Nasir Mobiles No Life Poster Join Date: Sep 2006 Location: ---> Hope Posts: 2,028 Member: 355782 Status: Offline Thanks Meter: 1,265	Huawei y520-u22 mac address issue HUAWEI Y520-U22 MAC address changed on every on/off or reboot. this issue came after write backupd firmware. before firmware write phone was infected by virus I took backup of same phone 1 month ago and now phone become infected by virus so I wrote back with SPF and now phone changing mac address on every switch and also showing one extra ssid NVRAM WARNING: err=0x10 help to solve this problem customer using wifi service and WISP binding his mac in router.and they cant open server for only one single client.

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12-19-2015, 13:00	#2 (permalink)
JayDi No Life Poster Join Date: Mar 2007 Location: Where you live Posts: 18,542 Member: 462970 Status: Offline Thanks Meter: 20,352	It because nvram were damaged. Need write working VNRAM and make reset settings. After all will work.

12-19-2015, 13:07	#4 (permalink)
JayDi No Life Poster Join Date: Mar 2007 Location: Where you live Posts: 18,542 Member: 462970 Status: Offline Thanks Meter: 20,352	1. Fix BB 2. Write NVRAM 3. FullFactory reset

12-19-2015, 13:12	#5 (permalink)
Nasir Mobiles No Life Poster Join Date: Sep 2006 Location: ---> Hope Posts: 2,028 Member: 355782 Status: Offline Thanks Meter: 1,265	Thumbs Up Thanks