[Q] No modem partition in TWRP backup

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DoughMucker

Senior Member
Sep 11, 2013
321
170
Google Pixel 4 XL
Hi,
I'm installed TWRP 2.7.0.0 via GooManager and that went smoothly. But when I went to do a nandroid backup, the modem partition isnt there. The other partitions (boot, system, cache, data, efs) are there. In "Mount" the modem partition wasn't mounted so I tried to mount it, but that didn't add it to the available partitions to backup either. Is it normal for the modem partition to be missing? How can I back it up?
 
jd1639

jd1639

Inactive Recognized Contributor
Sep 21, 2012
16,833
5,404
Minnesota
The modem is never backed up. All you need to back up are system, data, and boot

Edit, it would be good to backup only the efs partition once and store a copy off your phone in case that ever gets messed up

Sent from my Nexus 5
 
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DoughMucker

Senior Member
Sep 11, 2013
321
170
Google Pixel 4 XL
jd1639 said:
The modem is never backed up. All you need to back up are system, data, and boot

Edit, it would be good to backup only the efs partition once and store a copy off your phone in case that ever gets messed up

Sent from my Nexus 5
Click to expand...
Click to collapse

Thanks. :good: It's a bit confusing as I see some posts talking about backing up modem with TWRP....and other posts talking about grabbing a modem file from a developers thread and using that. I guess I'll go with the latter based on your large number of posts and >2000 Thanks received. :fingers-crossed:
 
furbyx92

furbyx92

Senior Member
Jan 12, 2012
381
123
Google Nexus 5
Samsung Galaxy A23
DoughMucker said:
Thanks. :good: It's a bit confusing as I see some posts talking about backing up modem with TWRP....and other posts talking about grabbing a modem file from a developers thread and using that. I guess I'll go with the latter based on your large number of posts and >2000 Thanks received. :fingers-crossed:
Click to expand...
Click to collapse

Trust him, a modem don't need backup because it never been touched, only Odin can touch and modify modem when you flash a stock ROM

Sent from my GT-I9505G using Tapatalk
 
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    jd1639
    jd1639
    The modem is never backed up. All you need to back up are system, data, and boot

    Edit, it would be good to backup only the efs partition once and store a copy off your phone in case that ever gets messed up

    Sent from my Nexus 5
    View

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