Since the Vivo U10 supports Project Treble, you can flash any GSI. Below are the most stable and popular options with direct or official links.
There is no dedicated “Vivo U10 Custom ROM” forum on XDA due to Vivo’s restrictive policies. However, the device is fully compatible with GSI Treble ROMs built for ARM64 A/B devices. vivo u10 custom rom link
Have you successfully flashed a custom ROM on your Vivo U10 using one of these links? Share your experience in the comments below! Since the Vivo U10 supports Project Treble, you