symphony latest model is one of the major domestic mobile handset manufacturer in India. It has a good share of consumers in India especially among people preferring low-cost android phones. Its has a presence in countries such as Nepal, Sri Lanka, Bangladesh, Middle East and many other African countries.
This firmware is a ‘Stock ROM’ i.e it’s original and not a custom ROM. It is compressed into a small size file, so it can be downloaded faster. You will need a .rar or .zip extractor like WinRAR software to uncompressed it. You can flash any Symphony mobile phone with its compatible flash tool. You do not need any flasher box for flashing or updating it.
Click below to download the Symphony W21 3G flash file: