Before starting the flashing process, prepare your environment to ensure a stable connection. Poor preparation can result in permanent hardware damage. System Requirements

This tool provides a direct communication bridge between a computer and a RDA-based mobile device via a USB cable. It operates in to bypass security restrictions, allowing technicians to read or write data directly to the NOR memory. Core Functions

) is the go-to solution for unlocking and flashing these devices.

: Drivers must be installed manually via the Device Manager if the tool fails to detect the connected phone. Box Integration

You must install these drivers for your PC to recognize the phone in boot mode.

: Poor quality cables can cause data corruption during flashing.

Essential for Windows to detect the device interface over a virtual COM port.

Size Chart

Measure your chest (A) and hips (B) following our indications. 

The reference measurement will always be the larger of the two (A or B).

Look in the chart to which size corresponds to that measurement.

Size chart
SizeReference measurements
 InchesCentimeters
2XS25.6 – 29.465 – 74
XS29.5 – 32.675 – 82
S32.7 – 36.183 – 91
M36.2 – 39.792 – 100
L39.8 – 42.8101 – 108
XL42.9 – 46.3109 – 117
2XL46.4 – 49.9118 – 126
3XL50 – 53127 – 134
4XL53.1 – 55.9135 – 142

Coolsand Rda Flash Tool -

Before starting the flashing process, prepare your environment to ensure a stable connection. Poor preparation can result in permanent hardware damage. System Requirements

This tool provides a direct communication bridge between a computer and a RDA-based mobile device via a USB cable. It operates in to bypass security restrictions, allowing technicians to read or write data directly to the NOR memory. Core Functions coolsand rda flash tool

) is the go-to solution for unlocking and flashing these devices. It operates in to bypass security restrictions, allowing

: Drivers must be installed manually via the Device Manager if the tool fails to detect the connected phone. Box Integration Box Integration You must install these drivers for

You must install these drivers for your PC to recognize the phone in boot mode.

: Poor quality cables can cause data corruption during flashing.

Essential for Windows to detect the device interface over a virtual COM port.