i cant rly say to much without more context, but either send it to repair, or if u understand a bit, take it apart and put it back. take a good look at the components while doing that

if ur only intested in studying i would its the best e ink currently. however its hardware is a bit outdated with only 1gb of ram so consider that. u can also buy an iPad for around the same price on black Friday and do more with it, tho it writing experience might not be as crisp

nICE

Wait for the rm3, rm2 input delay is kinda annoying