## General

- [I can't login to Checkout 51 through Facebook](https://support.checkout51.com/hc/en-us/articles/4462550702491-I-can-t-login-to-Checkout-51-through-Facebook)
- [How to fix my offer list being blank.](https://support.checkout51.com/hc/en-us/articles/201387187-How-to-fix-my-offer-list-being-blank)
- [After updating the app, my account balance disappeared. How do I get it back?](https://support.checkout51.com/hc/en-us/articles/201387177-After-updating-the-app-my-account-balance-disappeared-How-do-I-get-it-back)

## Claims & Receipts

- [I submitted the wrong receipt](https://support.checkout51.com/hc/en-us/articles/360035536474-I-submitted-the-wrong-receipt)
- [I claimed a "Buy 2/3/..." offer multiple times and was only credited once. Why?](https://support.checkout51.com/hc/en-us/articles/360035535774-I-claimed-a-Buy-2-3-offer-multiple-times-and-was-only-credited-once-Why)
- [I was notified that information was missing from my receipt.](https://support.checkout51.com/hc/en-us/articles/201330676-I-was-notified-that-information-was-missing-from-my-receipt)
- [My barcode won't scan](https://support.checkout51.com/hc/en-us/articles/115011811268-My-barcode-won-t-scan)
- [My claim wasn't approved](https://support.checkout51.com/hc/en-us/articles/201387127-My-claim-wasn-t-approved)
- [I bought multiples of an item, but only claimed it once. How can I add it to my receipt?](https://support.checkout51.com/hc/en-us/articles/204970277-I-bought-multiples-of-an-item-but-only-claimed-it-once-How-can-I-add-it-to-my-receipt)

## iOS

- [What should I do if my app got stuck "installing" when I tried to update?](https://support.checkout51.com/hc/en-us/articles/217143098-What-should-I-do-if-my-app-got-stuck-installing-when-I-tried-to-update)
- [Getting my balance back if my account balance says "null."](https://support.checkout51.com/hc/en-us/articles/201387147-Getting-my-balance-back-if-my-account-balance-says-null)

## Android

- [Why does the app require these permissions from my device?](https://support.checkout51.com/hc/en-us/articles/213634397-Why-does-the-app-require-these-permissions-from-my-device)

## Web

- [Supported Web browsers](https://support.checkout51.com/hc/en-us/articles/201330886-Supported-Web-browsers)
- [Supported file types](https://support.checkout51.com/hc/en-us/articles/201387917-Supported-file-types)
- [Maximum file size for receipt photos](https://support.checkout51.com/hc/en-us/articles/201643813-Maximum-file-size-for-receipt-photos)
- [What to know about taking receipt photos and getting them onto my computer.](https://support.checkout51.com/hc/en-us/articles/201330876-What-to-know-about-taking-receipt-photos-and-getting-them-onto-my-computer)
- [What to do if the website won't let me upload a photo or claim offers.](https://support.checkout51.com/hc/en-us/articles/201387257-What-to-do-if-the-website-won-t-let-me-upload-a-photo-or-claim-offers)
- [Printing my offer list](https://support.checkout51.com/hc/en-us/articles/201869758-Printing-my-offer-list)

## Security

- [Updating my security settings](https://support.checkout51.com/hc/en-us/articles/217237177-Updating-my-security-settings)
- [I received a login alert](https://support.checkout51.com/hc/en-us/articles/214161657-I-received-a-login-alert)