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Chemist Tree · 07-02-2018, 04:10 PM

Hi everyone.

I have issues with my Asus Zenfone 3 Max . I try to downgrade the phone to 6.0 ... I did it but now i lost my IMEI so i can't play pokemon go the location is not working ...
I when back to 7.0 using the update with SD card .. now i'm back on Nougat 7.0 .... But my IMEI is Null .. i'm trying many solution and right now i'm about too throw the %*$#$ phone in the trash : Sad

Someone please Help me !

**X3non** · 07-02-2018, 06:37 PM

(07-02-2018, 04:10 PM)Chemist Tree Wrote: Hi everyone.

I have issues with my Asus Zenfone 3 Max . I try to downgrade the phone to 6.0 ... I did it but now i lost my IMEI so i can't play pokemon go the location is not working ...
I when back to 7.0 using the update with SD card .. now i'm back on Nougat 7.0 .... But my IMEI is Null .. i'm trying many solution and right now i'm about too throw the %*$#$ phone in the trash :

Someone please Help me !

how exactly did you perform this downgrade? [in details]
is the baseband of the device unknown? [settings > about phone > baseband]
whats the chipset of the device? [verify using the tool @ https://www.hovatek.com/forum/thread-13054.html ]

Chemistree · 09-02-2018, 04:02 PM

(07-02-2018, 06:37 PM)X3non Wrote:
(07-02-2018, 04:10 PM)Chemist Tree Wrote: Hi everyone.

I have issues with my Asus Zenfone 3 Max . I try to downgrade the phone to 6.0 ... I did it but now i lost my IMEI so i can't play pokemon go the location is not working ...
I when back to 7.0 using the update with SD card .. now i'm back on Nougat 7.0 .... But my IMEI is Null .. i'm trying many solution and right now i'm about too throw the %*$#$ phone in the trash :

Someone please Help me !

how exactly did you perform this downgrade? [in details]
is the baseband of the device unknown? [settings > about phone > baseband]
whats the chipset of the device? [verify using the tool ]

Hi X3non .
To downgrade the phone i use Flash_Tool and the Firmware ZC520TL_13 . 1 ...... the phone is working but the IMEI is null .
so i when back on 7.0 using SD card .. i took the firmware on asus now it's working i'm on 7.0 version .
If i look into the Baseband Section i see ID_14 ......
the Shipset = MT6737

Thank you very much for your time

**X3non** · 09-02-2018, 07:45 PM

(09-02-2018, 04:02 PM)Chemistree Wrote: Hi X3non .
To downgrade the phone i use Flash_Tool and the Firmware ZC520TL_13 . 1 ...... the phone is working but the IMEI is null .
...
Thank you very much for your time

use SN writer or Maui Meta method @ https://www.hovatek.com/forum/thread-116.html to fix the invalid imei

Chemistree · 11-02-2018, 04:08 AM

(09-02-2018, 07:45 PM)X3non Wrote:
(09-02-2018, 04:02 PM)Chemistree Wrote:    Hi X3non .
  To downgrade the phone i use Flash_Tool and the Firmware ZC520TL_13 . 1 ...... the phone is working but the IMEI is null .
...
Thank you very much for your time

use SN writer or Maui Meta method ....   to fix the invalid imei

They ask me the files ... BPLGU file. but the only way i see it's to ( Root ) my phone so i can copy the files from my phone to the PC ?

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