Totally, look for phones in "excellent" or "mint" condition, read the description carefully, and check the seller's feedback carefully. I've bought 4 or 5 phones on eBay with great results. Every phone I've gotten is indistinguishable from new.
eBay is fine. Just check the seller's reputation first before buying.
If overall positive feedback is greater than 99%, and they've sold hundreds of items, then there's no problem buying from them.
I've bought dozens of phones from eBay over the last two decades, never had any issues.
Personally I'm worried to buy a phone that is filled with spyware and adware.
On a phone with spyware installed that wouldn't do anything. There are probably ways to get rid of it, but how can you be sure?
By checking whether the bootloader is unlocked or not. If the bootloader is unlocked, then all bets are off, but if the bootloader is locked, you can only run the original, unmodified firmware. Any alternation to the firmware will result in the dm-verity check failing, causing the system to not boot at all. The only data which can be altered is user data, which is wiped in a factory reset. So a factory ressr definitely gets rid of it.
If you're paranoid though, you could always flash the stock firmware downloaded directly from the manufacturer's website, which will override all system partitions, so you can be absolutely sure there's no spyware - besides the spyware included by Google etc of course, or the spyware embedded into the hardware by the chip manufacturers...
Those usually are made to persist after factory reset. The phone is rooted and factory reset is modified to not remove the bad software.
And rooting the phone requires an unlocked bootloader, which would present a warning when the phone is booted up.
Yes it will. There's no way to bypass it, if there is, that would be a serious security flaw - the kind that would get patched very quickly. There have been some phones which had a vulnerable bootloader that allowed this in the past (eg: OnePlus devices), but there's no such exploit available for current generation devices
I'd like to see some sources backing up your claim, which is applicable to current generation phones.
Over the past 10 years most of my phones have been used, and I've been way happier with it. Save money for the same thing.
Yeah, maybe not ebay. I used Swappa back in the day and that was cool. But phone hardware hasn't improved THAT much in the past 5 years. You can go pretty far back and have a pretty decent phone. Android phones lose their value a lot faster so you can usually get them super cheap. Should probably buy unlocked
I did. It was perfectly fine, got a new condition, slightly older model phone for about half price. Unlocked.
I never have problems with phones from ebay. Take your time, look and read closely. I buy a lot of the cheap ones for family members who are too rough/careless with their phones, and it's worked out pretty good.
I've had good luck buying phones on eBay. I bought a OnePlus 6T last fall that was in box and practically brand new because the 6T has good Linux support, phone arrived and worked great. I just bought a OnePlus 6 because it too is well supported on Linux (postmarketOS) and doesn't have as big of a notch, good condition but minor OLED burn in. Problem is that the previous owner didn't realize that PIN lock remains over factory reset so it was locked. I managed to find an unlock procedure before the seller got back to me with the PIN and it's working fine now (though I think I will stick with Android on this one after all).
