How to increase root volume & partition size on Volla phone

Thanks
I’ve extract hybris-recovery.img from droid-hal-yggdrasil-img-recovery-4.9.248-1.aarch64.rpm and I will test it.
https://repo.sailfishos.org/obs/nemo:/testing:/hw:/volla:/yggdrasil/sailfishos_4.3.0.12/aarch64/