This repository contains official ROM files for old Psion Devices. All the files could be downloaded for free from the official Psion / Psion Teklogix Website in the past. Some of this ROM files are upgraded (patched) to solve some bugs or add functionality.

Contents:

• Psion Series 3a and variants
• Psion Siena
• Psion Series 3c
• ROMs for Psion 5mx Pro, patched with 2 Additional Apps from Ericsson MC218 (MyPhone + PostCard) (UK, DE)
• Original ROM for Psion 5mx Pro (DE)
• ROMs for Psion netBook, patched with additional Apps and components(UK, DE, FR, SP)
• Dumped ROMs of Ericcson MC218 (UK, DE)
• ROM Update for Series 7 (UK, US)
• Revo Firmware Dump (DE)
• Dumped ROM for Psion 5mx (UK)
• Dumped ROM for Psion Series 5 (UK)
• Tools for Patching Psion ROMs and additional components.

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Psion Series 3a and Variants

Device	EPOC16 Version	ROM Version	Language	Filename	MD5 Checksum
Psion Series 3a (1MB)	3.20f	3.22f	English	s3a_v3.22f_eng.bin	782048b4bdca628b01a7f853b6ec4c70
Acorn Pocket Book II (1MB)		1.30f	English	pb2_v1.30f_acn.bin	e8eb24cba162fef331519b7c55136537
Psion Series 3a (2MB)	3.55f	3.40f	English	s3a_v3.40f_eng.bin	cfcd7be36fad529405d3abd48294af31
Psion Series 3a (2MB)		3.40f	Italian	s3a_v3.40f_ita.bin	8f9e750bb628c6f3c3189b50475215a5
Psion Series 3a (2MB)		3.40f	American English	s3a_v3.40f_usa.bin	a6264f08982608391843a7f331b6404b
Psion Series 3a (2MB)	3.55f	3.41f	German	s3a_v3.41f_deu.bin	45c8db03c357e5784158f966c5de7018
Psion Series 3a (2MB)		3.43f	Russian	s3a_v3.43f_rus.bin	4ebca4c28c3cc5317206e4103a1b702a

Psion Siena

Device	EPOC16 Version	ROM Version	Language	Filename	MD5 Checksum
Psion Siena	3.70f	4.20f	English	vine_v4.20f.bin	242e80fdbf9b353a05f6ff4d1db1c769

Psion Series 3c

Device	EPOC16 Version	ROM Version	Language	Filename	MD5 Checksum
Psion Series 3c	3.91f	5.20f	English	oak_v5.20f_eng.bin	3c1a079f53c00916e8d0dc11b35a0390