The European LG K8 4G (LG K350n) received its first v10b software update since its initial release. As shown in below table, The LG K8 K350n users in Netherlands, Hungary, Spain and Turkey can upgrade their LG K8 smart phone with the V10b SOFTWARE UPDATE through LG Bridge or LG Mobile Support Tool.
You can also download LG K8 K350n Stock kdz firmware from below link:
You can flash this k350n10b firmware on other European LG K8 K350n models (K350n models ony). But DO NOT flash it on other LG K8 model variants.
If you need the stock firmware for other LG K8 models, please visit http://lg-firmware-rom.com/, A website that you can download firmware with IMEI code.