In the link below, I've shared the Recovery, Firmware, ROM, GApps, Magisk, Kernels, app stores and apps, that I've used to get everything working nicely on mido.
This is Android 7.1.2 and the kernel is 3.18
lineage-14.1-20200611-NIGHTLY-mido and all necessary flashing files
The developer of the LineageOS packaged above has made an effort to add some tweaks for the interface/recents/overview etc. And has updated the security patch to the date in the file name.
I was directed to this ROM when I asked on the TG chat for the most recently updated Android 7 ROM for mido.
And was led to the ROM by the legendary developer of Underground Kernel, to find it under the profile here;
qjohn on androidfilehost