The latest firmware update for metroPCS LG MS840 is “MS840ZVA”, while the firmware for LGMS840V is “MS840VV5”
Download Firmware Build MS840ZVA for LG MS840:
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Download Firmware Build MS840VV5 for LG MS840V:
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Notes, You will need the “uptestex” software to convert the .cab file into .kdz file, so that you can use the KDZ_Update_Tools to flash the ROM onto your device.
How to update LG MS840V via LG MOBILE SUPPORT TOOL
The MS840VV5 firmware update is available via LG Mobile Support Tools.
To download and install the MS840VV5 firmware update:
once you have installed the LG MS840 USB Drivers and LG mobile Support Tools, connect your cell phone to computer via USB Cable, You should be notified that there is “MS840VV5” firmware update available. Follow the on screen instruction to perform the firmware update.
How to download the Official Stock ROM for LG MS840?
If you need to download the LG MS840V’s stock rom / firmware S840VV5, visit http://lge-phones.org/check-latest-lg-official-firmware, input your IMEI code and click download, You will find the direct download link for your metroPCS LG MS840V Firmware/stock rom: MS840VV5.