FORScan forum

Els27 v4.0 Chip STN2120

Latest Version 5.6.1
Release Date: September 18, 2020

https://www.scantool.net/downloads/updates/stn2120/

This major release fixed a few bugs:

Fixed 7Fxx78 message being counted when using STPTO 0
Fixed STSLU, STSLVL, and STSLX not working
This release added a few new features and changes:

Added command to change CAN consecutive and flow control frame reception timeouts
Added command to specify additional STmin delay
Added support for 4 byte header to ATSH
Removed CAN deaf time after sending a CAN message
See stn2120-changelog.txt inside the archive for detailed descriptions of the changes.

Latest Version 5.6.1
Release Date: September 18, 2020

v5.6.5 - 2020/10/14
-------------------

- BUG: Fixed ISO protocol detection failure



v5.6.4 - 2020/10/06
-------------------

- BUG: Fixed a BUFFER FULL caused by the CAN RX buffer getting filled while waiting for a FC frame during a multi-frame transmission



Only ELS27 V 4 chip stn2120
for ELS27 V3 corect firmware is 4.1.1

Version 4.1.1 was faster and more stable. I upgraded to version 5.6.5 very slow and gave errors. How can I revert to version 4.1.1? help please

amami wrote: Sun May 03, 2020 2:08 pm

vondr wrote: Fri May 01, 2020 6:11 pm Try this
-download ELS27Baudrate from els27.ru/files/ELS27_Baudrate.zip and run it
-open adapter port and set baudrate 115200
-run stnfinder and check if adapter is found, then try Forscan
-set baudrate to 500000 and test Forscan (stnfinder not work on this baudrate)

The adapter is not found.
I need firmware 4.1.1 for Stn2120 for downgrade.
If anybody hase it, please post it.

Could you find version 4.1.1? I need version 4.1.1 too. can you help me

what version is els27?

scorpionul22 wrote: Tue Nov 03, 2020 3:45 pm what version is els27?

I need 4.1.1 version for els27 v4 adapter

tunademir45 wrote: Tue Nov 03, 2020 3:57 pm

scorpionul22 wrote: Tue Nov 03, 2020 3:45 pm what version is els27?

I need 4.1.1 version for els27 v4 adapter

before changing the stn2120 software i recommend checking the prolific windows driver

fordsmax471 wrote: Tue Nov 03, 2020 4:45 pm

tunademir45 wrote: Tue Nov 03, 2020 3:57 pm

scorpionul22 wrote: Tue Nov 03, 2020 3:45 pm what version is els27?

I need 4.1.1 version for els27 v4 adapter

before changing the stn2120 software i recommend checking the prolific windows driver

In version 4 1.1, my adapter was doing very fast. Maybe 10 slips slower in version 5.6.5 now. I want to go back to the old version again. Or how do I make it fast as before?

yes the version that works fast is unfortunately full of bugs

what are the settings for your obd adapter and forscan