Sir I downgrade my Lenovo a7000 to marshmallow to lollipop with sp flash tool with original stock rom and by mistake I select format and install in so flash tool and software install successfully but my imei number , serial never is deleted so I root my phone and re write my imei number again but when I format or reset my phone my imei number deleted again ..
I tried many method for fixing my issue permanently but all fail like imei number writer tool , my droid , meta tool but it's all not working even I install all driver too but still is does not show mobile ..
I think I facing low network issue too after my imei number problem.
Please give solution..
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I need help. I use P780 8gb Row model and try to install Vibeui 2.0. But after install Vibeui i cant retore imei. After that i go back to s124 row version and ofc lost all nvram (imei, wifi mac, bt,...), but my problem is next: i didnt backup nvam before flashing CN rom version., i use sn write tool to revrite imei-success, wifi mac adsress-success, bt adress-success, and bigger problem is HOW TO REVRITE-EDIT SERIAL NUMBER AND PRODUCT NUMBER. I use same sn wite tool but cant edit. When open settings its show only 8 zeroes in filed SN, PN doesnt exist.. PLS HELP.
popadic022 said:
I need help. I use P780 8gb Row model and try to install Vibeui 2.0. But after install Vibeui i cant retore imei. After that i go back to s124 row version and ofc lost all nvram (imei, wifi mac, bt,...), but my problem is next: i didnt backup nvam before flashing CN rom version., i use sn write tool to revrite imei-success, wifi mac adsress-success, bt adress-success, and bigger problem is HOW TO REVRITE-EDIT SERIAL NUMBER AND PRODUCT NUMBER. I use same sn wite tool but cant edit. When open settings its show only 8 zeroes in filed SN, PN doesnt exist.. PLS HELP.
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Hi. Can you write a tutorial for how did you write IMEI, wifi, etc etc ? We have a problem here and need to solve ! Thanks in advance !
HI, I have an MT6582 phone without nvram folder, in my phone the serial number is necessary for OTA updates, but I lost it with the format option in SP flashtool.
I have a nvram folder of another identical phone but when i restore it, everything is restored unless the serial number. It still 0123456789ABCDEF.
How do I fix ?, Is the serial number stored anywhere else?
Thanks for the help and sorry for my english.
EDIT: I also tested the SN write tool and IMEIS work but S/N still 0123456789ABCDEF
Nothing?
hi i have thl4000 mt6582 with same problem , imei lost after every flash of custom rom, but can repair with sp flash tool, but serial writer not working.
Basicly loaded a dual sim rom on a single sim Acer Liquid Z200.
was helped so far in this thread: http://forum.xda-developers.com/and...ms-cwm-root-acer-liquid-t2960787/post59482099 by @Shreps, but somehow i got this message that due to the 10 post rule i wasnt able to post anymore.
Downloaded the last zip file, but CMW doesnt seem to recognize my SD card.
Tried to load the rom with adb using sideload, but get the message cant find device.
Is it possible to load another version of CMW, mount it with USB and flash the zip file from the pc? And can i use any CMW file or are the custom made for each type of phone/brand?
Any other suggestions, got no clue what to do now
edit 18-3-15:
Tried to re-load CWM with Smart Phone Flash Tool and got this PMT changed for the ROM; it must be downloaded
Update:
Did a format of the device using Flash Tool, MTK USB poort was loaded and was able to flash the ROM for dual SIM.
@stef951
Try to flash this firmware from a Recovery :
update-Acer_AV0K0_Z200_1.012.00_EMEA_GEN1S-sds.zip
It's the stock firmware Single SIM EMEA GEN1s, you should back to your original firmware.
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used recovery to install the firmware for sinlge SIM.
However now stuck with IMEI issues.
Used Mobile Uncle Tool and MTK Engineering to get into Engineering mode, but get this message: "cannot find engineer mode app"
*#*#3646633#*#* doesnt do anything. Possible that Engineer mode isnt installed? And is it possible to install it on my device?
Tried to load IMEI with MTK droid gave me a message "Changes will come into force after reset", but nothing changed -_-
Any other options on this IMEI matter.....?
Finally found a solution to enter Engineering mode, type *#*#2237332846633#*#*
When i try to change the IMEI with AT commad get a message AT command is failed to send
Tried Uncle tools, but unaible to acces engineering mode with this app.
I can enter a valid IMEI in MTK tools, but after reboot its still unknown.
Tried to copy a new MP0B_001 file to the NVD_IMEI folder
but all failed :crying:
Still searching for the solution, but if someone over here can help me out it would be appreciated.
Phone is not reading SIM card neither, is this because of the IMEI issue?
Acer Z200 Working again!!!
GOT MY PHONE BACK TO LIFE!!!
Lost the serial number and IMEI, had to write them back to NVRAM using Maui META tool.
Tutorial how to found on http://www.gizbeat.com/6058/how-to-...-for-mtk6582-mtk6572-mtk6592-mtk6589-mtk6595/
In the attached ZIP the files i used for the Maui META tool
Android_Gadget_CDC_driver, CDC driver didnt got installed so had to do this manually.
MTK6572 database: BPLGUInfoCustomAppSrcP_MT6572_S00_MOLY_WR8_W1315_MD_WG_MP_V1_P3_1_wg_n
If you have the serial and IMEI number, go to method B under Restoring Values and add the manaully.
When loading the MTK6572 database i also got a warning: execution warning nvram database file is inconsistent with target load
Ignored the warning and just writed the serial and IMEI to the device.
Disconnected, rebooted and got a working serial and IMEI.
So happy that the damn thing got working again.
bro I saw your successful post about Acer Z200. but I can't install CDC Serial Driver .
. how to Install Manually ? Android_Gadget_CDC_driver, CDC driver.
Can you explain to me.
Thanks in advanced
i flashed stockrom of my acer Z530 using sp flashtool.my imei is missing since then.i restored imei using mobile uncle tool after rooting. i cant update my phone after it.i tried several tools such as sn write tool and maui meta 3g . it didn't work for me says "apmetamode enter fail".is anyone have solution here?.
There are only 2 allowed ways.
1. Flash a stock rom (this doesn't always work)
2. Send it to be repaired.
Editing the IMEI is illegal in many places and as such all talks about doing it are banned
Can you go in to recovery mod now
It is rom on acer wed side
I flashed stock rom using sp flash tool on my bluboo s3 to unbrick it and in the process my imei number became invalid, it's rooted and is a mtk device. I tried using mtk engineer but the cds option under connectivity is not there. Chamelophon didn't work and made things even worse-my imei number now has letters and symbols in it, and xposed installer says that my device isn't supported so I can't use imei changer pro. And I tried sn writer too. What do I do to fix this? i'm running magisk 16.0 if that helps.