What I can tell you, is 15GB is not enough. I am guessing if you’re reading this you don’t want to pay or want to avoid paying for a Google One subscription to store Google Photos. After which, if you go over 15GB you will need a Google One subscription. The Google Photos storage limit will come into effect on June 2021. The new Google Photos limit will be 15GB which Google claims is equivalent to 15GB. On November 11, 2020, Google announced plans to end free unlimited photo storage on Google Photos.
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