In some recovery options (such as ClockworkMod recovery's advanced options on some devices), there is a
Format /firmware option. I have searched for descriptions of this partition, but have found little:
This question asks about it, but there is no authoritative answer.
Stock ROMs that I have do not modify this partition.
I see it mounted on some devices as:
/dev/block/platform/msm_sdcc.1/by-name/modem /firmware ext4 ro,context=u:object_r:firmware_file:s0,nosuid,nodev,noatime,nodiratime,user_xattr,barrier=1,data=ordered 0 0
What are the logistical considerations surrounding this partition, including:
What does the
/firmwarepartition usually contain?
Is it on all Android devices or just a subset?
What are the consequences of formatting it?
Can its contents be recreated?