With recent HTC device purchases, you were given some free Google Drive storage for two years as a promotion. For the HTC One (M8) and the One Max, it was 50GB of online storage space. But it looks like HTC decided to be generous for absolutely no reason and bump that storage up to 100GB, with the same offer extending to the new HTC One Remix.
If you want to take advantage of this offer, open the Google Drive app, hit Redeem, and follow the on screen prompts. Then you’ll get an extra 50GB of online storage, which is nothing to scoff at. Sadly, if you have unlocked your bootloader, you cannot redeem this offer.
We’re not sure why HTC decided to bump the existing offer to double the storage, but we can’t complain. If you own a mentioned HTC device, go redeem the extra storage and enjoy!