Sony finally launched their flagship phone of 2021 called the Sony Xperia 1 III. The device runs on Android 11. It features a 6.5-inch 4K (1,644×3,840 pixels) HDR OLED CinemaWide display with a 21:9 aspect ratio and 120Hz refresh rate. Now, the handset is getting the latest software update in some specific regions. It’s worth mentioning that the Sony Xperia 1 III Software update receives its first software update.
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Check for OTA Updates Manually
In order to update your Xperia handset, go to the Settings menu > About phone > Software update. Then follow the on-screen instructions if any update is available. You can also update it with a computer using the Xperia Companion tool.

Make sure that your device should be connected to a working Wi-Fi network and charge up to 60% at least for a smoother process. The firmware OTA update is rolling out via batches in some regions and will take some time to receive on all Xperia 1 III variants globally.
Sony Xperia 1 III Device Overview
The Sony Xperia 1 III features a 6.5-inch OLED panel with a resolution of 1644 x 3840 pixels and an aspect ratio of 21:9. It is protected by Corning Gorilla Glass Victus. If you set the resolution on this panel to FHD, you get a 120Hz refresh rate, and if you set it to 4K, you get a 60Hz refresh rate. Under the hood, we have the Qualcomm Snapdragon 888 built on a 5nm manufacturing process. It is an octa-core processor with one Kryo 680 core clocked at 2.84 GHz, three Kryo 680 cores clocked at 2.42 GHz, and four Kryo 680 cores clocked at 1.8 GHz. For handling the graphics-intensive tasks, we have the Adreno 660.