

I mean there are ongoing costs with any form of power generation. Obviously there’s fuel costs for most, but even other renewables have maintenance costs. You’ll also need to keep investing anyway as power demands increase over time. So newer solar installations eventually replace the old.
(Not saying this was your case, but generally good to check) - a finicky/wobbly USB type c connector has been a symptom of a dirty charging port several times in the past. Awful lint/dirt would get packed down into it, preventing the charger from fully inserting.
I ended up carefully and gently picking it out, though there are some delicate small contacts in there!
Anyway, good luck trying GrapheneOS! It’s been my daily driver for months and past the learning experience it’s great!