[laltif tron]

Hello! I flashed on my Phone a custom rom, and i see my IMEI is inviald, and i fortgot to backup the System Datas with the IMEI + SN Infomations.. Now, can someone please help me? 

Infomations: 
Phone Model: ASUS ZB570TL
Chipset: MT6750T

[X3non]

Hello! I flashed on my Phone a custom rom, and i see my IMEI is inviald, and i fortgot to backup the System Datas with the IMEI + SN Infomations.. Now, can someone please help me? 

Infomations: 
Phone Model: ASUS ZB570TL
Chipset: MT6750T

how exactly did you flash this rom? (using a custom recovery or using SP flash tool or some other tool)
is the baseband on the phone unknown? "settings > about phone > baseband"

[laltif tron]

Hello! I flashed on my Phone a custom rom, and i see my IMEI is inviald, and i fortgot to backup the System Datas with the IMEI + SN Infomations.. Now, can someone please help me? 

Infomations: 
Phone Model: ASUS ZB570TL
Chipset: MT6750T

how exactly did you flash this rom? (using a custom recovery or using SP flash tool or some other tool)
is the baseband on the phone unknown? "settings > about phone > baseband"

I used SP Flash Tool. And no my Baseband version isnt Unkwon, my Baseband Number is: MOLY.LR11.W1630.MD.MP.V95, 2018/09/25 10:10

[hovatek]

I used SP Flash Tool. And no my Baseband version isnt Unkwon, my Baseband Number is: MOLY.LR11.W1630.MD.MP.V95, 2018/09/25 10:10

You could use the method for recent / newer MTK phones @ https://www.hovatek.com/forum/thread-116.html

[laltif tron]

Hello! I flashed on my Phone a custom rom, and i see my IMEI is inviald, and i fortgot to backup the System Datas with the IMEI + SN Infomations.. Now, can someone please help me? 

Infomations: 
Phone Model: ASUS ZB570TL
Chipset: MT6750T

"how exactly did you flash this rom? (using a custom recovery or using SP flash tool or some other tool)
is the baseband on the phone unknown? "settings > about phone > baseband""

"I used SP Flash Tool. And no my Baseband version isnt Unkwon, my Baseband Number is: MOLY.LR11.W1630.MD.MP.V95, 2018/09/25 10:10"

Hey, all methods dont work on my Phone! I dont have the the MD1_DB or the AP_DB Files becuz i forgotten to safe the Files and i dont have the exactly working Phone AAAAAAND i cant find the FIles for my Chipset or for my Phone in the Internet. And Maui Says when i connect my Phone "Error in BootROM communication, please press (Reconnect...) And i have clicked on Reconnect, installed my Drivers i do everything and nothing works.. (And btw Rooting is impossible on my Phone.. I cant unlock the Bootloader.. becuz ASUS is ****)

[X3non]

...
Hey, all methods dont work on my Phone! I dont have the the MD1_DB or the AP_DB Files becuz i forgotten to safe the Files and i dont have the exactly working Phone AAAAAAND i cant find the FIles for my Chipset or for my Phone in the Internet. And Maui Says when i connect my Phone "Error in BootROM communication, please press (Reconnect...) And i have clicked on Reconnect, installed my Drivers i do everything and nothing works.. (And btw Rooting is impossible on my Phone.. I cant unlock the Bootloader.. becuz ASUS is ****)

you must have flashed a stock rom, check within the compressed firmware you downloaded for the DA files (redownload the firmware if you must)
you can then use them with either sn writer or maui meta tool

[laltif tron]

...
Hey, all methods dont work on my Phone! I dont have the the MD1_DB or the AP_DB Files becuz i forgotten to safe the Files and i dont have the exactly working Phone AAAAAAND i cant find the FIles for my Chipset or for my Phone in the Internet. And Maui Says when i connect my Phone "Error in BootROM communication, please press (Reconnect...) And i have clicked on Reconnect, installed my Drivers i do everything and nothing works.. (And btw Rooting is impossible on my Phone.. I cant unlock the Bootloader.. becuz ASUS is ****)

"you must have flashed a stock rom, check within the compressed firmware you downloaded for the DA files (redownload the firmware if you must)
you can then use them with either sn writer or maui meta tool"

Hello, on my Stock ROM Folder are no DA Files..

See: https://drive.google.com/file/d/1u0AvVB3...56_kV/view (or See the Attachment)

[X3non]

Hello, on my Stock ROM Folder are no DA Files..

See: https://drive.google.com/file/d/1u0AvVB3...56_kV/view (or See the Attachment)

that;s not a folder, its a zip file
extract the zip using 7zip or winrar software then check again

[laltif tron]

Hello, on my Stock ROM Folder are no DA Files..

See: https://drive.google.com/file/d/1u0AvVB3...56_kV/view (or See the Attachment)

"that;s not a folder, its a zip file
extract the zip using 7zip or winrar software then check again"

There are too no DA Files..

[hovatek]

"that;s not a folder, its a zip file
extract the zip using 7zip or winrar software then check again"

There are too no DA Files..

I believe your phone is rooted (if not, root using https://www.hovatek.com/forum/thread-21427.html ).
Then try
Tool hero: https://www.hovatek.com/forum/thread-21072.html
Chamelephon: https://www.hovatek.com/blog/how-to-fix-...arshmallow
ADB: https://www.hovatek.com/forum/thread-25458.html