Texas Instruments TI-30 XS Multiview Battery Replacement

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Open the device

If the screw is not turning, do not force it. This can strip the screw. See the How to Remove a Stripped Screw guide if the screw is already stripped.
Using the #00 screwdriver, unscrew the six, 6mm Phillips screws.
Use the spudger to pry into the space between the blue back cover and the white body to take off the back cover.

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