Requires a laptop, a USB data cable (usually the 4-pin or 6-pin cable that came with the unit), and a specific to your 8227L version.
8227L android 9 preloader.bin
Downloading the 8227L Android 10 firmware is a straightforward process, but it does require some technical expertise. Here's a step-by-step guide to help you get started: 8227l Android 10 Firmware Download --BEST
Would you like help identifying your exact current firmware version from a photo of your “About Device” screen? Requires a laptop, a USB data cable (usually