Adapter ELS27 Stn Firmware update

[fordsmax471]

and someone on February 24 found that there is still a different chip

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[scorpionul22]

Els27 v3 not work whit stn5.0.0 firmware, work only whit 4.1.1
Els27 v4 work good.
Procedure recovery firmware for v3 is open adapter put bridge board wire download stn updater and 4.1.1 firmware on russian forum, desold wire on bridge. Done!

[vondr]

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)

[fordsmax471]

FORScan log file Els27v4 different Stn2120 software
Stn 4.1.1 average speed 300 ms
Stn 5.0.0 average speed 30 ms and reading .vbf files is also many times faster

[fordsmax471]

FORScan log Els27v4 Stn 5.0.0.log

(14.59 KiB) Downloaded 774 times

[amami]

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.

[fordsmax471]

Many have updated the firmware of the adapter ELS27 v3 (STN 2120), which kills the adapter.
Stn firmware version 4.5.0. and 5.0.0 The firmware has a pull-on station turned on, so the adapter ALWAYS starts in KKL mode.

[fordsmax471]

Els27v4 stn2120 v 4.1.1

Els27v4 stn2120 v 4.1.1.png (91.19 KiB) Viewed 11682 times

[fordsmax471]

Els27v4 stn2120 v5.0.0

Els27v4 stn2120 v5.0.0.png (84.72 KiB) Viewed 11682 times

[fordsmax471]

Hi,

Els27 v4.0 Chip STN2120 available are version 5.5.0

ChangeLog:
- NEW: Added support for PP 2C bit 4 (8/7 CAN)
- CHG: Changed welcome string to print "ELM327 1.4b" instead of "ELM327 1.3a"
- CHG: CAN driver improvements
- CHG: "STOPPED" is now printed exiting all monitoring modes
- BUG: Reset message reception timeout on CAN first frame causing "NO DATA"
- BUG: Fixed "BUFFER FULL" when arbitration fails on a busy bus by pausing reception
- BUG: "SEARCHING..." was printed before "STOPPED" when automatic protocol detection was enabled and OBD message reception was interrupted

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

My Test

Interface:
Port: COM4, 2000000 kbps
Type: Prolific
Adapter: STN2120 v5.5.0 (ELM327 v1.4b)
Min.delay: 0 ms ( Excellent)
Errors: None