N4KVE
Member
Anyone know what the most recent Impres II FW is for the NNTN8845 Charger?
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APX Newest APX Impres II FW?
- Thread starter N4KVE
- Start date
Software V2.11 September 2024.
● Improve charging efficiency.
● Improve capacity reporting.
● Improve charging efficiency.
● Improve capacity reporting.
N4KVE
Member
Thanks. Just picked up an APX6K, & the seller threw in a charger. The decal shows FW 1.01, but when I read a battery it charged, it shows 2.6.
Last edited:
That is great because there has been many improvements since 1.01. Software V2.06 is from January 2023.
N4KVE
Member
Thanks. Just had a friend bump it to 2.11.
Even better!
what is required to do the firmware upgrades on moto chargers?
N4KVE
Member
I didn’t see. In my case, the guy who did the upgrade lives 40 miles north. He was going to meet a friend near me for dinner last night. So he gave me his charger which had the newest FW, & I gave him mine which he upgraded today, & kept. So we swapped chargers.
wgbecks
Active Member
FYI,
The NNTN8845A SUC's are flashed using the NNTN8870A Fleet Management/Reprogramming Module (About $22 US) in conjunction with
the MSI Charger Reprogrammer program that's a free download from MSI. The reprogrammer tool downloads new firmware files directly
over the internet. No MSI account required.
N4KVE
Member
Yes, he mentioned that. He couldn’t put the program on his laptop, meet me, & upgrade my charger. He could only upgrade the charger while connected to Motorola on the internet. That’s why we swapped chargers.
wgbecks
Active Member
This tool doesn't require a lot of bandwidth and would likely have worked using a cellphone Wi-Fi hotspot. Although the program does store
the firmware files on the PC, it does check the server for new updates. I am not sure if it will proceed with an update using a cached file without first contacting the server to check for new firmware releases.
Nonetheless, you accomplished your update by swapping chargers that is something I've done for friends having the earlier Impres chargers
requiring a connection to an Impres Field Programmer (IFP). I did like the IFP concept where you downloaded the firmware from MSI and then flashed the IFP that in turn could be used in the field without an internet connection. You could also reflash the IFP backwards with an older firmware version if needed to address a bug or compatibility issue.
