Quote:
Originally Posted by MiK77
If you already have installed an old version of PRS+, you don't need the setup.exe. Just use the zip and you don't need to update the firmware. You only have to unpack its content to the readers root directory and restart it.
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Thank you for this MiK77 - the mist has finally cleared
For anyone else who, like me, was getting very confused about the PRS+ upgrade vs. the Sony upgrade, here are step-by-step instructions for a PRS650 upgrade :
- from: PRS+2.0.10alpha, with Sony v1-0-00-08100
- to: PRS+2.0.12beta, still with Sony v1-0-00-08100
without worrying about what to do about the Sony v1-0-00-14080 upgrade which seems to have caused problems for some people.
The following instructions worked for me, but I don't claim them as the 'One True Way'. I'm happy to be enlightened otherwise

I would think the PRS350 would work the same.
Step-by-step instructions
Spoiler:
- Download the appropriate 2.0.12beta Installer zip (not the setup.exe) to your PC.
- Unzip and copy the whole PRSPInstaller directory to the root directory of device internal memory.
- Precautionary step - don't know if this is necessary but I did it anyway.
If you have manually installed the customised LRF/RTF/TXT font option, disable it temporarily:- Rename directory /test-startup to something else
- Rename file /database/system/PRSPlus/prsp.sh to something else.
- Disconnect from PC. Then do a full device shutdown, then restart it. The upgrade to 2.0.12beta will be installed automatically. You can check by looking in Settings - About to check version numbers:
- PRS+ should show as 2.0.12beta (top of page 1)
- Sony device info should still show as 1.0.00.08100 (bottom page 1)
- Reconnect to PC and, if they still exist, manually delete the following from root of device internal memory:
- directory /PRSPInstaller
- file /runonce.sh
- If you performed the precautionary step 3, re-enable the option now by reversing the renaming. Then do another full device shutdown and restart.