Also Read: How to update the Old File with New File in Google Drive without Change the Link
Now day android user all of them stored the Image where they capture throw the mobile phone is stored directly to the Google Drive. And some of the Android apps are used the Google Drive as a backup to store their data on the User Google drive account. Like WhatsApp they store the chat history in the Google Drive only.
By using the Google Drive for the different purpose. It will easily fill your free 15GB quote. How to increase the Google Photo 15GB free memory to unlimited memory on the Google Photo. Follow the simple steps given below to get the unlimited memory on Google Photos account.
Also Read: Now take backup of your WhatsApp Chatting in Google Drive.
First, click here to go the Google Photo Setting page.
After that you can see the below screen they provided the two options.

First option High Quality (Unlimited Storage) Great visual quality at reduced file size. This option you select, it will provide the Unlimited Storage. But it will reduce the photos size without affecting the photo quality.
Also Read: How to add your Chatting App Image to Google Drive [or] DropBox [or] Box [or] One Drive
Second option Original Quality. Full resolution that counts against your quota. Here they mention the how space you occupied in the free quota. And how much GB of memory space available remaining.
If you select the second option, it will save the image in original size. It’s not affecting the photo quality. Defiantly the second option will selected. If you want unlimited memory space change the option to first option.