Quote from: Sunil Deshbhratar on Yesterday at 16:57:28When buying a phone, the very first thing I do is choose one that has an SD card slot. Whereas many people look at how much internal memory a phone has and then buy it. When I saw my friends buying phones, I asked them why they buy a phone just by being satisfied with high internal memory? Why do you buy a phone ignoring the utility of having your own storage room, meaning a memory card slot? Their response is that just having an abundance of internal memory is enough for their needs. So what is the need for a memory card slot! But after saying this and relying solely on internal memory, my friends who bought phones came to their senses as soon as their mobile broke down and shattered to pieces. That if their mobile had its own storage room, their files would have been safe, and they could have taken that memory card out of the damaged mobile, put it in another mobile, and used it!
Because of system-wide encryption you can't really use that microSD in another device; when a phone is broken or "shattered to pieces" as you said, its encryption key is effectively lost, so the data on the microSD won't be accessible to any other device. The data is still there on the card itself, but it's like it's gone. Or it will be - but then it's not encrypted and not safe at all, meaning that only media files (videos, music, pictures, PDFs/EPUBs, and such) can be stored there, as the OS will simply refuse to use it for anything important or sensitive, including apps' cache.
Then again, how many movies do you really need to have on your phone? 300 GB? 800 GB? 1.5 TB? MicroSD cards still have a pretty high failure rate, they are not really meant to be used for frequent writings, so it's not wise to rely solely on them for important backups. Why not get something like an external SSD with a much higher transfer rate, superior reliability, far greater TBW, and far better price per GB value? This is what I use with my phone:
https://imgur.com/a/3pGkGYUThe other phone I used to take that photo has a microSD slot with a 256 GB card inside, but everything I said above applies to it, so it's either encrypted (meaning it's not usable on any other device including my laptop), or it's not (which is how I use it). As I don't have it encrypted I only use it to store unimportant random videos from Reddit, some offline music and movies, etc. For everything important, an SSD is superior in every single regard, plus it can have its own encryption so your data remains safe while still being readable by your other devices. Or just connect your phone to your PC and pull the data quickly through the USB cable ¯\_(ツ)_/¯
Quote from: RobertJasiek on Yesterday at 17:28:53Isn't making regular external local backups an alternative?
Exactly this 👆
Edit: The point of the whole comment above is that while having a microSD is definitely good, relying on it as a primary backup solution for your important stuff/data most definitely isn't.
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