You can update your Nokia Asha 303 or Series 40 phone wirelessly Over the Air (OTA).
With OTA updates you don’t need any cables or computer; you can simply download and install the update using your phone.
Updates are free of charge, but to download the update, you need an internet connection. It is best to use a Wi-Fi connection to avoid mobile data transmission costs.
Software updates from Nokia are safe to install, and
your settings, apps, photos, and text messages remain safe and sound.
How To Update Asha 303
Step 1. For most phones, select Menu > Settings >Phone > Device updates.
Step 2. Select “downl. phone sw”. The phone will notify you if there is an update available. If an update was found, follow the instructions shown on your phone.
Step 3. The update takes around 15-30 minutes, and you are not able to use your phone during the update installation.
Tip! There can be more than one consequent update available, so you may need to repeat the steps to get to the latest software version.
UPDATE WITH NOKIA SUITE
Most of the Asha and Series 40 phones can alternatively be updated with Nokia Suite.
To update your phone, you need Nokia Suite software on your computer.
Download Nokia Suite Here
Connect your phone to your computer with a compatible USB cable.
Start Nokia Suite, and go to Tools > Software updates. Then select the update you want to
download, and click Install.
Via the Nokia website