1. Install the required drivers for your device on your computer.
2. Enable USB debugging mode on your device.
3. Connect your device to your computer via USB cable.
4. Open the flashing software on your computer and select the firmware file you downloaded in step 1.
5. Follow the prompts in the flashing software to begin the flashing process.
6. Once the process is complete, disconnect your device from the computer and restart it.

It's important to note that the process can vary depending on the device and the firmware you're installing. Be sure to follow the specific instructions for your device to avoid damaging it or causing other problems.

Nothing Phone 1 Device Overview:

The Nothing Phone 1 features a 6.55 inches panel with a 120 Hz refresh rate. It is an FHD+ panel with a resolution of 1080 x 2400 pixels and an aspect ratio of 20:9. The screen has a peak brightness of 1200 nits. Under the hood, we get the Qualcomm Snapdragon 778G+ processor built on a 6nm manufacturing process. It is an octa-core processor with one Cortex-A78 core clocked at 2.5 GHz, three Cortex-A78 cores clocked at 2.4 GHz, and four Cortex-A55 cores clocked at 1.8 GHz. For handling the graphics-intensive tasks, we have the Adreno 642L. The smartphone comes with Android 12 out of the box with Nothing OS skin running on top.

In optics, we get a dual camera setup at the rear and a single selfie camera at the front. The dual rear camera setup consists of a 50 MP primary sensor paired with an f/1.9 lens and a 50 MP ultrawide sensor paired with an f/2.2 lens. The selfie camera at the front is a 16 MP primary sensor paired with an f/2.5 lens. The rear camera system can capture 4K videos at 30 fps, while the front camera is limited to 1080p video recording.