A:AnswerThis Lenovo Tab P12 Pro Tablet, model number ZA9D0052US, ships with a 128GB UFS 3.1 solid state hard drive soldered on the systemboard, installed. There is a MicroSD card slot, that supports FAT32 file up to 1TB, exFAT file up to 1TB. The MicroSD Card is sold separately.
A:AnswerNo. This Lenovo Tab P12 Pro Tablet, model number ZA9D0052US, has no cellular/broadband data capability built in. It uses WiFi-6, 2 x 2 802.11a/b/g/n/ac/ax frequency WiFi only for internet connectivity.
A:AnswerThis is a known bug of the P12 Pro.
Be sure to recharge the tablet if you cannot feel it working/vibrating with the black screen.
You can fix it by holding the power button and volume + buttons to force the tablet to reboot. At the boot, the Lenovo logo will appear and tablet will work properly until the next time this happens.
Lenovo has not provided a fix or patch to fix this to date.