Cash 22
The problem here is that after a while if you want a fully patched phone on most Android handsets you have to root the phone and install the latest version of LineageOS or equivalent.
But rooting your phone generally means that you can't use it for electronic payments because it's no longer considered trustworthy.
So you have a choice: use your credit card and, separately, an up-to-date software stack on your phone, or let an unpatched Android loose with your remaining credit balance.
Mines the one with the miniature EMP device in the pocket.
Biting the hand that feeds IT
