How to Flash Shanling UP4 Firmware File (Stock ROM)
Shanling UP4 is one of the popular Chinese portable Hi-Fi Bluetooth Amplifiers that was launched in 2019 in the segment of beginner Audiophile Amps & DACs. It has a Qualcomm CSR8675 Bluetooth chipset, ESS Sabre ES9218P X2 audio chipset, supports…
