Point Mobile PM550 - OS Image Update from OTG Port; Formatting Flash Drive for Update; Copying OS Image to Flash Drive; Connecting Flash Drive to Device

PM550 Android 7.1.2 User Manual
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OS Update
OS Image update from Storage
OS Update
Your PM550 will check storage and display available OS
image
Touch “Update” button
By touching the “CONTINUE” button, your PM550 start to
update the OS image. During this time, you cannot use your
PM550. Please save the data before start, the OS update
process.