Looks like this ROM 20161025 is a prerequisite for Android 7.0, therefore I've downloaded the file "s12v55_jk_3m-ota-1477383173.zip" indicated in the first post, extracted the files on a local directory, launched "SP_Flash_Tool_exe_Windows_v5.1644.00.000" but I get the following ...

I get an "invalid scatter file" when trying a local update with the file indicated in the first post, could you provide a new one?

ps : I hope this message will be published,as I have already tried to send a few messages some days ago that never got published

About your note stating "Please note: Just device with 20161025 ROM version will be able to receive Android 7.0 OTA update. " Will this be also the case for local update? Or will we be able to update to Android 7.0 from older ROM versions? Would prefer not to be forced to update to 2016102...

Which ROM are you trying to update to? Not sure it has to do with the flashtool in itself, rathen than with the ROM provided. For example, the one in the "BV6000 New ROM of 20161011 for some problem fixing" returns also an invalid scatter file... ps : I hope this message will be published,...

The file provided in the first post doesn't work, as the flash tools returns that the "The load scatter files is invalid!" when selecting it...

Is this version fixing the bugs mentioned earlier in other threads such as:

Half battery runtime
WiFi stays on "hidden" when turned off
big VOLTE1-Icon in status bar
Change from WiFi to 4G don't work
potentially unsafe FOTA application
New mac address
...