This page has the official stock ROM flash file for the Lenovo Vibe K5 Note (a7020a48). The phone uses a MediaTek chipset, so you flash the firmware with the SP Flash Tool (Smartphone Flash Tool) on a PC. The full guide follows below.
Why flash stock firmware
The stock ROM is the official software from the device maker. Reflashing it is the usual fix when the software is broken, for example after a failed root or custom ROM flash that left the phone bricked or stuck in a boot loop. It is useful for anyone who roots, installs mods, or flashes custom ROMs and needs a clean way back to stock.
What flashing the stock ROM does
- Unbrick the device: restore the Vibe K5 Note from a bricked state.
- Fix a boot loop: get the phone booting again.
- Upgrade or downgrade: move to a different firmware version.
- Unroot and clear bugs: return to unrooted stock and undo earlier mods.
- Improve performance: fix lag and stutter.
- Restore the warranty: where reverting to stock still applies.
Warning
Flashing manually carries some risk. GetDroidTips is not responsible for any hardware or software damage that happens during or after this guide. Take a full backup of your data before you start.
Firmware details
- Device: Lenovo Vibe K5 Note (a7020a48)
- Chipset: MediaTek MT6755 (Helio P10)
- Tool: SP Flash Tool
- GApps: included
Steps to install the stock firmware on the Lenovo Vibe K5 Note
Go through the requirements and install the drivers and tools first.
Prerequisites
- This firmware is for the Lenovo Vibe K5 Note only.
- Charge the phone to at least 50%.
- A PC or laptop.
- Take a backup:
- Back up your Android phone without root
- Back up IMEI and NVRAM on MediaTek devices
- If you have TWRP, create a Nandroid backup
- Download and extract the latest SP Flash Tool.
- Install the MediaTek VCOM drivers.
- Install the Lenovo USB drivers.
- Download the firmware file from below.
Download flash files
- Lenovo_A7020a48_S312_MT6755_20160926.zip (2 GB) – Download
- Lenovo_A7020a48_S318_MT6755_20161128.zip (2 GB) – Download
- Lenovo_A7020a48_MT6755_S401_190328.zip (2 GB) – Download
- Lenovo_A7020a48_S420_MT6755_20160928.zip (2 GB) – Download
Instructions to install
- Download and extract all the required files and the flash tool on your PC.
- Open the flash_tool.exe to launch the SP Flash Tool.
- In the Download tab, load the scatter-loading file (the scatter text file) from the extracted firmware folder.
- Click the Download button.
- Power the phone off, hold Volume Down and Volume Up together, and connect it to the PC with a USB cable (keep holding until the tool detects it).
- Flashing starts automatically.
- A green tick appears when it is done.
- Reboot the Lenovo Vibe K5 Note.
FAQ
Will flashing erase my data?
Yes, a full SP Flash Tool flash wipes the phone, so back up your data first.
Hallo Razaaq. I have lenovo vibe k5 note device and after the service center people have repaired my phone, Android OS and running apps are not releasing RAM memory so after 2-3 hours, restart is needed. Suggest me because now, I don’t have believe over lenovo service center.