Do it. A method for producing a flow 5.0.2 5.0.2 with subsequent update to 6 mm 100% process working. install stock rekaveri , If you have unlocked bootloader , relock it, рut it on your external sd card not decompress zip archives(0PFJIMG.zip), boot into bootloader with volume - and power button. it will read the zip, and if it compatibel with your os it will aupgrade and you have to confirm with your buttons.
For Qualcomm Snapdragon MSM8939 -- Snapdragon 615 Qualcomm 8-ядерный 64-бит процессор ядра Cortex A53 4x1.5 ГГц и 4х1 ГГц Adreno 405 HTC Desire 820n 1-sim. for Europe Firmware https://yadi.sk/d/KYcWwUH4raUxm stock rekaveri 5.0.2 https://yadi.sk/d/Jv1cy3EqrTuba For locked bootloader https://yadi.sk/d/C5ZYzOL-k4dco
So let me put it clear. I must be on stock recovery to proceed with MM update?