A: Yes. Mobile check deposit has been a standard feature of the Capital One app for many versions, including the release cycle around 5.51.1.
Method 2: Manual APK Installation (For Legacy or Non-GMS Devices)
The current version of the Capital One Mobile app as of April 2026 is Capital One Apk 5.51 1
Go to your Android Settings > Security (or Privacy ) and enable the option to allow installations from "Unknown Sources."
Open your preferred app and navigate to the Downloads folder. Tap on the Capital-One-5-51-1.apk file. Review the requested app permissions and tap Install . A: Yes
For everyone else, open the Google Play Store, search for “Capital One Mobile,” and tap “Update.” You’ll get all the benefits of version 5.51.1 plus the latest security patches, features, and performance improvements.
The app functions internationally, but certain features (like Zelle or ATM locators) may be restricted. You must also have an active Capital One account. Tap on the Capital-One-5-51-1
Access financial data swiftly utilizing built-in fingerprint scanners or facial recognition technology. Technical Specifications Specification App Name Capital One Mobile Version File Format Operating System Android 7.0 or higher Developer Capital One Financial Corp. Step-by-Step Installation Guide
: Deposit checks remotely by taking a photo through the app. How to Get the App Safely
To protect your identity and financial assets, adhere to the following safety measures: