HP iPAQ H3850 Battery Replacement

To begin the disassembly of the device, place it on a flat surface with the screen facing down.

Remove the four screws found on the back cover of the device.

Remove SD card on top of device by pushing and then releasing.

Carefully remove the back cover using the spudger against the grooves along the sides of the iPAQ.

Using the plastic opening tool, carefully detach the yellow ribbon from the connector pins to separate the device into two halves.

Using a heating pad or blow dryer, heat the back of cover until warm.

The glue holding in battery should now be loosened.

Use plastic opening tool to remove battery from the back cover.

Once the old battery is removed, scrape off the old adhesive from the device backing with the prying tool.

To attach the new battery, apply an adhesive to each corner of the backing where the battery sits and place the device into the backing.

Allow the adhesive to set for half an hour