Good news for babushkaphone users
There is a model from Verizon with 4G LTE and buttons:
Verizon LG Exalt LTE
https://www.verizonwireless.com/basic-phones/lg-exalt-lte/?cmp=KNC-C-HQ-NON-R-AW-NONE-NONE-2K0PX0-PX-GAW-71700000034257881&gclid=EAIaIQobChMI1rn3xpP94AIVBDJpCh2C3wMKEAAYASAAEgJ3yPD_BwE&gclsrc=aw.ds
and so far it works despite mixed reviews
Verizon LG Exalt LTE
https://www.verizonwireless.com/basic-phones/lg-exalt-lte/?cmp=KNC-C-HQ-NON-R-AW-NONE-NONE-2K0PX0-PX-GAW-71700000034257881&gclid=EAIaIQobChMI1rn3xpP94AIVBDJpCh2C3wMKEAAYASAAEgJ3yPD_BwE&gclsrc=aw.ds
and so far it works despite mixed reviews