Because Telegram was not deemed a gatekeeper to the instant messenger market by the EU, so the DMA doesn’t apply. You have have millions of users in the EU and almost a billion in revenue, I think, to be deemed a gatekeeper. The Digital Service Act does apply to telegram though, I think. That one doesn’t force interoperability though

They used a special SoC that gets support from qualcomm for 15 years.

Interesting! I didn’t know that, thanks for responding

You can. Google pixel updates are just a reboot. Sadly many OEMs don’t do A/B updates, like samsung, so your phone can’t be used while updating the system partition

Thanks for cross-posting instead of re-posting!

Normally it’s an option hidden inside androids developer options that you can just flip. The cellular tile will still show being on but data will be off.