I have downloaded the DJI Mimo app from the DJI official website as I cannot find in google play store, however,  I cannot install the DJI Mimo APK file in my Samsung J6 which runs on Android 10 version.  Is my phone not compatible with DJI OM 4 SE

Unfortunately, I do not see your mobile device listed on the compatible list.  You can check the list here or see below.

Hello there Imrongkumba. I am sorry for the trouble this has caused and thank you for reaching out. Kindly please try using a different recommended mobile device to see if the issue will persist? Upon checking the said mobile device ( Samsung J6 Android 10 ) that your are using on your DJI OM 4 SE and on the DJI Mimo application. I am sorry to say that the said mobile device is not recommended for the said DJI camera and DJI application. DJI would suggest using a recommended mobile device for the DJI Mimo application for compatibility and reliability purposes. There is a possibility that the Samsung J6 Android 10 will be able to work on the DJI Mimo application. But however, since it's not yet optimized with the said DJI application and for the DJI OM 4 SE we cannot guaranteed if it will work all the time and if it will be able to run all the functions of the DJI Mimo application while using it. For reference, I will post a link where in you can check the recommended mobile devices for the DJI OM 4 SE ( https://www.dji.com/om-4-se/downloads ). Thank you.

DowntownRDB Posted at 12-17 13:18
Unfortunately, I do not see your mobile device listed on the compatible list.  You can check the list here or see below.

Thankyou upgraded my smartphone however, gimbal zoom trigger is not working properly,  zoom jump from 1X to 9X without smooth flow plus spinshot  not working