How to flash Android 9 Pie on Samsung Galaxy M40 SM-M405F. The Android 9 Pie firmware for Galaxy M40 SM-M405F are available for download, for firmware detail you can see it below. It also available for some countries, you can visit free download for Galaxy M40 SM-M405F firmware. If you get error message “SECURE CHECK
Tags: Android 9 Pie, firmware update, Free SM-M405F Android 9 Pie, Galaxy M40 SM-M405F, Samsung Galaxy M40, stock firmware