I cant find how to do a split screen, its mentioned in amazon as possible. Everything else works.
https://www.amazon.com/gp/product/B089RG4TXY/ref=ppx_od_dt_b_asin_title_s00
Here are my specs
Model
PX6
Serial number D379D4F386CF2F0C
Android version 11
Kernel version
4.19.193
#494 Wed Aug 10 14:32:43 CST 2022
MCU version
MTCH_HA_V3.89a_1 Aug 17 2022 13:27:20
CPU
Dual-core Cortex-A72 @ 1.8G
Quad-core Cortex-A53 @ 1.5G
Build number
rk3399-userdebug 11 RQ3A.210705.001 eng.hct.20220907.092042 release-keys