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[Q] How to back up EFS of HTC ONE M7/M8

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Join Date: Jun 2014
Default [Q] How to back up EFS of HTC ONE M7/M8


There are many way to backup and restore EFS on Samsung galaxy device but in fact no instruction on HTC ONE M7/M8 device. I have lost my IMEI of HTC ONE M7 but I did not find any solution to backup and restore. Here is the list of partitions I got from HTC ONE M7

dev: size erasesize name
mmcblk0p19: 000ffa00 00000200 "misc"
mmcblk0p36: 00fffe00 00000200 "recovery"
mmcblk0p35: 01000000 00000200 "boot"
mmcblk0p37: 73fffc00 00000200 "system"
mmcblk0p26: 00140200 00000200 "local"
mmcblk0p38: 27fffe00 00000200 "cache"
mmcblk0p39: 680000000 00000200 "userdata"
mmcblk0p22: 01400000 00000200 "devlog"
mmcblk0p24: 00040000 00000200 "pdata"
mmcblk0p27: 00010000 00000200 "extra"
mmcblk0p33: 04b00200 00000200 "radio"
mmcblk0p16: 03c00400 00000200 "adsp"
mmcblk0p15: 00100000 00000200 "dsps"
mmcblk0p17: 007ffa00 00000200 "radio_config"
mmcblk0p20: 00400000 00000200 "modem_st1"
mmcblk0p21: 00400000 00000200 "modem_st2"
mmcblk0p29: 00040000 00000200 "skylink"
mmcblk0p30: 01900000 00000200 "carrier"
mmcblk0p28: 00100000 00000200 "cdma_record"
mmcblk0p18: 02000000 00000200 "reserve_1"
mmcblk0p32: 034ffa00 00000200 "reserve_2"
mmcblk0p34: 05fffc00 00000200 "reserve_3"
mmcblk0p31: 04729a00 00000200 "reserve"
mmcblk0p25: 00004000 00000200 "control"

Which one is EFS partition ?

Please help me bros. Thank you in advance.
cyrusct82's Avatar
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HTC doesn't have EFS. IT'S NOT SAMSUNG.
Sent from my RED HTC One powered by
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