Crypto Wallets on outdated Andriod phones

[Upgrade00]

Sadly, none has provided me a satisfactory answer here. Buying a hardware wallet is a good option, but since Trezor / Ledger doesn't ship directly to my country, it is a risk if I buy it from a third-party vendor ?

The biggest risk here is when you're not aware of ang risk thud poses. If you're aware and take steps to prevent anybody that happening to you:
• Confirming the authenticity of the device,
• Clearing the device on purchase,
• Downloading only software from the official website of the company that made the wallet,
• Generating all new seeds.

If you take these security precautions you reduce any potential risk to a bare minimum.

[Zwei]

Anyway, I have crypto wallets like Unstoppable in that device and also the binance apps etc. Is it safe to keep the wallet on that device, or is it time to buy a new mobile phone that can receive recent security updates?

tho the risk of losing your crypto will be lower, a new phone isn't going to protect you if a vulnerability gets exploited en masse before it get patched or you download a fake wallet, or a malicious update gets pushed by a comprimised google play dev account.

personally, i would keep the old phone if it's still usable for normal everyday use (battery still good, doesn't lag, etc...) and get an entry level hardware wallet instead, and move my stash there. trezor safe 3 is a good one, and it's like $50. (be sure to DYOR)
better yet, i would get a new phone and a hardware wallet, it's better to be safe than sorry.

Ledger is the shittiest HW out there use trezor instead.

i agree, ledger is a coldcard waiting to happen.