Psion Art. No. starting with ST51xx are the keypad only (also called "elastomere"). Best used to change a worn keyboard with the same variant. For switching the variant you need the kit (ST5xxx), order above.
Changing the keypad is easy, disassembly of unit is not needed.
Suits to all Omnii XT10, XT15 variants.
Genuine Psion factory new product, in stock, ready to ship.
Please note your variant in the text field below (e.g. ST5103).