Download Oxygen OS 9.5.6 for OnePlus 7 Pro US variants Verizon and T-Mobile – Fixes incoming call issues

OnePlus 7 Pro launched successfully in many countries across the globe and is already available for sale. The device features all the latest hardware and software specifications and some exclusive features configurations  too. Some of the newly introduced features includes a 90 Hz refresh rate screen, UFS 3.0 support, curved display, Android 9.0 Pie out of the box based on Oxygen OS 9.5, and support for CDMA carriers in the United States like T-Mobile and Verizon. As the device gained popularity, it is already in the hands of a large base of users. So it is quite logical that users will report bugs to the manufacturer. A lot of these bugs have already been fixed for the global and EU variants of the 7 Pro with Oxygen OS 9.5.4 and OOS 9.5.5 respectively. Today, the United States carriers like T-Mobile and Verizon have released Oxygen OS 9.5.6 with some critical bug fixes.

Users have been complaining about the the incoming call issues on the Verizon OnePlus 7 Pro variant where incoming calls from Verizon iPhone users would immediately disconnect. The new Oxygen OS 9.5.6 fixes this exact issue where Verizon OnePlus 7 Pro users couldn’t answer calls from Verizon iPhone. So if you are facing this issue, you should immediately update your OnePlus 7 Pro to the latest OOS 9.5.6. You can go to settings > system update > and check for OTA updates. If any update is found, download and install it right away. However, if the OTA is not yet available on your device for some reason, then you can also manually flash the full stock firmware from below.

Moreover, US carrier T-Mobile has also upgraded the firmware of OnePlus 7 Pro to Oxygen OS 9.5.6 with a new Android security patch. So you can say all the US carrier variants are running latest OOS 9.5.6 with GM31CB build. The OTA weighs about 104 MB in size.

Update Log for Oxygen OS 9.5.6

This is more than just the Verizon incoming call fix. The OnePlus 7 Pro camera has been updated too with improved NightScape 2.0, improved HDR, and white balance fix.

Phone
• Fixed issue with Verizon users can not answer calls from Verizon iPhone

System
• Optimized Double Tap to Wake and Ambient Display
• Fixed an issue that causes an audio delay with the Bluetooth headset when playing games
• General bug fixes and improvements

Camera
• Improved image quality in HDR scenarios
• Improved image quality in low light
• Fixed white balance issue in several scenarios
• Fixed focus issue in several scenarios

Download Oxygen OS 9.5.6 for OnePlus 7 Pro USA variants

The OTA update for Verizon OnePlus 7 Pro features a new build 9.5.6.GM21AA. Following is the full stock firmware that fixes call related issues on Verizon.

• Oxygen OS 9.5.6 for Verizon OnePlus 7 Pro | Official download link
  MD5: 92d7eb9fe3db4e9859668e89a375cfa9
• Oxygen OS 9.5.6 Gdrive mirror (Thanks to millerd79)

For installation instructions, visit the following tutorial:

OnePlus 7 Pro receives new Oxygen OS 9.5.3 OTA update [OTA downloads]