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TDECU Digital Banking Technical Requirements

Secure your digital experience by running the latest browser and OS versions

Get the most out of TDECU Digital Banking

Running into performance issues with digital banking? Check here to make sure we support your current browser and operating system (OS) versions. Plus, running the latest versions will improve your security while online.

Digital Banking Browser Support

Not sure if your internet browser is up to date? Check here to see if you are running the latest version. Remember that keeping your internet browser updated helps improve your online security.

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As online fraud continues to evolve, browsers continue to be updated to become more secure. In fact, Microsoft announced it stopped supporting Internet Explorer 11 in favor of new, more secure browsers, like Microsoft Edge.

In accordance with best practices, TDECU Digital Banking no longer allows Members to log in using Microsoft Internet Explorer 11 as of October 6, 2020.

Download or update one of the following supported browsers to improve your secure digital banking experience.

Google Chrome

Google Chrome

Microsoft Edge

Microsoft Edge

Mozilla Firefox

Mozilla Firefox

Browser requirements and compatibility

To achieve the most secure experience using digital banking, we recommend:

  • Using the latest version of the supported browsers listed on this page
  • Keep your browser security settings up to date
  • Enable JavaScript

For the most secure and consistent experience on mobile devices and tablets, please download our mobile app instead of using your mobile browser. Please see the Mobile Application Requirements section for more information.

Internet browser support is subject to change with little to no notice. We encourage configuring your browsers to automatically update.

If you attempt to log in with an unsupported browser, you will be redirected to a website to download a new version of your browser.

Under certain circumstances, we may need to block certain browsers and software from accessing TDECU Digital Banking due to possible security risks. If this happens, we may not have time to inform you in advance.

Some minimally supported browsers may show minor behavioral or cosmetic differences in digital banking.

PC Browser Compatibility for Windows 10

Supported BrowsersVersions Supported 
Google ChromeCurrent version plus the previous two versionsDownload Chrome for free
Microsoft EdgeCurrent version plus the previous two versionsDownload Edge for free
Mozilla FirefoxCurrent version plus the previous two versionsDownload Firefox for free

Please note the following:

  • TDECU Digital Banking is not compatible on Safari on Microsoft Windows, as Apple discontinued development of security patches for Windows.
  • In accordance with best practices, TDECU Digital Banking no longer allows Members to log in using Microsoft Internet Explorer 11 as of October 6, 2020.

Mac Browser Compatibility for Mac OS X 10.10 to Current Version

Supported BrowsersVersions Supported 
SafariCurrent version plus the previous two versionsDownload Safari for free
Google ChromeCurrent version plus the previous two versionsDownload Chrome for free
Mozilla FirefoxCurrent version plus the previous two versionsDownload Firefox for free

System requirements

When using TDECU Digital Banking, your computer must meet the following requirements:

  • Standard PC or Mac with at least 1-GHz processor and 1 GB of RAM

  • Microsoft Windows 10 or Mac OS X 10.15

  • Available browser updates applied for improved security, and anti-virus and spyware protection

  • An internet connection with a minimum of 1 Mbps download speed

Please note that satellite connections often have difficulty supporting encrypted, Hypertext Transfer Protocol Secure (HTTPS) applications. Since digital banking is HTTPS-encrypted for the safety of your financial information, some satellite cable connections may result in slow load times.


Display requirements

Desktop and laptop displays can be any height, but we recommend a width of at least 1300 pixels.

Members can view most pages without scrolling; however, on occasion you may need to scroll horizontally to see the entire digital banking interface.

PDF reader requirements

Please use the most recent version of Adobe Acrobat Reader available for desktop and mobile devices to view your documents online. If you choose to use a third-party PDF application, we cannot guarantee documents will appear as intended.

To view TDECU PDF documents online, our applications and website require Adobe Reader 6.0 or later. Adobe Reader is free and available for download.

Please note that the following mobile operating systems are not supported for digital banking:

  • Windows Phone
  • Blackberry
  • Kindle Fire

Digital Banking Mobile Support

For the best experience with the TDECU Digital Banking mobile app, we recommend that you use the latest version of the app available for download in the Apple Store (iOS devices) or on Google Play (Android devices). 

You can also enable automatic updates on their mobile device to ensure you are always using the latest version of the app.

Phone with TDECU Digital Banking Application with Enable Auto Update Checked Yes.

To enable automatic updates on your iOS device:

  1. Go to Settings.
  2. Tap on App Store.
  3. Tap on Menu.
  4. Toggle on App Updates.

To enable automatic updates on your Android device:

  1. Go to the Google Play Store.
  2. Tap the three horizontal lines in the upper-left corner of the screen.
  3. Tap on My Apps & Games.
  4. Tap on Installed.
  5. Locate the TDECU Digital Banking app.
  6. Tap on the app icon.
  7. Tap the three vertical dots in the upper-right corner.
  8. Tap Enable Auto Update.

Android Compatibility


Level of Support

Android 10.X and later


Apple iOS Compatibility


Level of Support

iOS 15.x and later


If you are on an unsupported Android or Apple iOS version, you can still access digital banking using your mobile browser. However, mobile browser access is minimally supported and does not offer some features, such as mobile check deposit and biometric login.

Please note, devices that do not have Location Services or native mapping applications will not support the Member Center and ATM location feature.

Mobile connectivity requirements

For the best digital banking experience when using our mobile app, please make sure you are using either 5G, 4G LTE, or a Wi-Fi connection.

Mobile check deposit camera requirements

A mobile device with a rear-facing camera is required to deposit checks with our mobile check deposit feature. Please make sure your camera resolution is 5 megapixels or higher if you use this feature.

Biometrics requirements

Android offers Fingerprint Login as a free feature on eligible Android devices. To use this feature, your Android device must be one of the following:

  • Samsung Galaxy S7 or later
  • Nexus 7 or later
  • Google Pixel first generation or later

Apple users may use Touch ID and Face ID on supported Apple devices. To use one of these features, your device must be one of the following:

  • iPhone 5s, 6, 6 Plus, or newer
  • Latest generation iPad with Touch ID sensor

Please note, you need to enable Fingerprint Login, Touch ID, or Face ID at the device level to take advantage of these features.

Third-party account management software

If using third-party account management software with TDECU Digital Banking, please note we support current versions of Intuit® Quicken® and QuickBooks®.

Please refer to the Quicken Discontinuation Policy for details about discontinued Quicken services and application versions.

For additional assistance with your Quicken software, please contact Quicken Support.

TDECU is not liable for any direct or indirect technical or system issues or consequences arising from your access to, or use of, third-party technologies or programs linked to from TDECU’s website or our TDECU Digital Banking applications.