This page will guide you on installing the official stock Firmware flash file on your Realme C51s RMX3765. The device is based on Android 13, which is powered by the Unisoc Tiger T612 processor. This guide will be helpful to unbrick or fix any software issues on your device.
To install the firmware flash file on Realme C51s RMX3765, you need to download the SPD Flash tool (also known as the Spreadtrum Flash tool). This method is simple and easy. We have also added video and step-by-step tutorials to make it easier to flash the firmware file.
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Realme C51s Specification:
The Realme C51s, released in March 2024, is an entry-level smartphone that balances affordability with practical features. With dimensions of 167.2 x 76.7 x 7.5 mm and weighing 182 g, it has a sleek design, featuring a glass front, plastic frame, and plastic back. It also offers IP54 dust and splash resistance, which adds durability for everyday use.
The phone sports a 6.74-inch IPS LCD display with a 90Hz refresh rate, providing smooth scrolling and decent visual quality, though the 720 x 1600 pixel resolution results in a lower pixel density of around 260 ppi. Under the hood, the Realme C51s runs on Android 13 with Realme UI, powered by the Unisoc Tiger T612 chipset. This octa-core processor, paired with 6GB of RAM and 128GB of internal storage (expandable via microSDXC), ensures satisfactory performance for basic tasks and light multitasking.
The Realme C51s features a 50 MP main camera with PDAF for quick focusing and a secondary 0.08 MP auxiliary lens, which enhances depth effects. It can record videos at 1080p@30fps, making it suitable for everyday photography and videography. The 5 MP front camera, although modest, includes HDR support and can record at 720p@30fps, catering to basic selfie needs.
The phone includes a side-mounted fingerprint sensor for security, along with other sensors like an accelerometer, gyro, proximity, and compass. Connectivity options are comprehensive with dual-band Wi-Fi, Bluetooth 5.0, GPS, GLONASS, GALILEO, and USB Type-C. It also supports NFC (market/region dependent). The 5000 mAh battery, coupled with 33W wired charging, ensures long battery life and quick charging, capable of reaching 50% in just 28 minutes, making the Realme C51s a solid choice for budget-conscious users.
Advantages of Stock ROM:
Here are the answers to why you need to download and save the Realme C51s Stock ROM flash file on your computer.
- If your device is dead, you can unbrick using the Stock ROM file
- You can fix or repair the IMEI on your device using DB files from Stock ROM
- Remove any malware or adware from Realme C51s
- You can fix the boot loop issue on Realme C51s
- Fix Unfortunately; the app has stopped errors on Realme C51s
- Fix Network related issue
- Patch Boot image to Root using Magisk: Mediatek Guide or Spreadtrum Guide
- You can unroot Realme C51s
- To Reset or Remove FRP on your device: Mediatek FRP Guide or Spreadtrum FRP Guide
- Restore Realme C51s back to Factory State
How to Flash Realme C51s RMX3765 Firmware File
You should download the firmware flash file before installing the Stock ROM on your Realme C51s. Then download and install the USB Drivers and flash tool on the PC as well. Once you’re done with these, you can proceed to the steps below. But let’s take a quick look at the Stock Firmware importance and firmware details below.
Pre-Requirements:
- Supported device: Realme C51s
- Make sure to charge your device more than 50%
- You need a PC or Laptop with a USB cable.
- Take a complete backup of your Android phone
- Download Drivers and Tools: Spreadtrum drivers, SPD Flash Tool, and Realme USB Drivers
Realme C51s RMX3765 Flash Files
| Software Details | Download |
| Flash File Name: Realme_C51S_RMX3765_EX_13_A.03_240129_SPD
File Size: 20.88 GB |
Download link |
Instructions to Install: via SPD Flash tool
Now, without wasting any more time, let’s jump into the firmware installation steps below:
That’s it, guys. We hope you’ve successfully installed the Stock Firmware on your Realme C51s RMX3765 device. Feel free to ask in the comments below for any queries.