A52020 Oppo [verified] -

Use the *#6776# code to check the software version and update to the latest available ColorOS version.

It wasn't the fastest phone on the market, but it was arguably one of the best value-for-money devices Oppo ever released. Who owned one of these? a52020 oppo

Its standout feature is a massive 5,000mAh battery that can easily last two days under moderate use. Use the *#6776# code to check the software