Of course, you can view the same exact information by heading to the 'About Phone' page in Settings, but inputting either of these codes saves you the extra steps of navigating through menus. Check firmware versions for PDA, Phone, H/W, and RFCallDate View Firmware Version & Software DetailsĮither input *#1234# to instantly view your device's firmware version/build number, or *#6776# to open the 'Software version' page for your OnePlus device.

Most OEM-specific dialer codes will be activated automatically once you input the last digit or symbol, while some codes will require you to hit the green 'Call' button to activate.īesides those, some codes require a phone number to work, so if you see an XXXXXXXXXX in any of the codes below, you'll need to enter a ten-digit phone number in order to activate them. Note that these dialer codes work in various ways. Don't Miss: How to Root Your OnePlus 6 with Magisk - A Beginner's Guide.

However, some of the codes provided may only work with specific models, not to mention different wireless providers, so your results will vary depending on what model or carrier you have. The dialer codes below have all been tested on the latest firmware versions for the OnePlus 5T and 6. In addition to these, popular GSM-based carriers like T-Mobile also come with their very own secret codes to better access their services. OnePlus has coded in numerous secret diagnostic modes that can be accessed from the Phone app's dial pad to aid in production line quality control and after-sales troubleshooting. Besides its obvious purpose of calling people, there's a vast array of secret codes that you can input to troubleshoot your device, in addition to revealing important information, making anonymous phone calls, and so much more. There's actually more to the dialer screen on your OnePlus than meets the eye.

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