Conclusion: Instagram grids is a nice way to showcase your work only on your Instagram profile page especially if you are a photographer. Though, it comes with a lot of limitations, pain, loss of customers and unwanted work.
How do you get the 6 grid on Instagram?
Click the open photo button in the application. It navigates to the file manager and you have to choose which photo to upload on Instagram. After you choose the photo is open in the app and then, there are several options to choose the grid option like 3×1, 3×2, 3×3, 3×4, 3×5, and 3×6 grids.