The internal eMMC memory chips inside a Vodafone TV box are high-quality. You can desolder the NAND chip and use a flash reader to salvage the memory for Raspberry Pi projects. This destroys the box but recovers value.
For many users, a full firmware flash isn't necessary. Most modern Vodafone TV PLAY boxes allow for significant customization through native Android settings: Enable Developer Options: Navigate to Device Preferences and click the number seven times. Sideloading Apps: Vodafone Tv Box Unlock
that aren't in the default store, you don't necessarily need to "unlock" the firmware. You can use ADB (Android Debug Bridge) to sideload them. The internal eMMC memory chips inside a Vodafone