Open the ResearchDownload settings panel, navigate to the calibration tab, and temporarily uncheck the NV configuration options before hitting play.
Hold the (or both volume buttons, depending on the specific hardware revision). Connect it to the PC via USB while holding the button(s). e1207y flash file pac new
Download a compatible version of the SPD Upgrade Tool (also known as ResearchDownload or FactoryDownload). Version R2.9.9005 or newer is highly recommended for stability with older feature phone architectures. Open the ResearchDownload settings panel, navigate to the
Disclaimer: Altering firmware may void your warranty. Ensure you have legal ownership of the device before flashing. Download a compatible version of the SPD Upgrade
Once you have obtained the , follow this technical procedure. You will need a Windows PC (Windows 7 or 10 recommended), a USB data cable, and the SPD Research Download tool.
Resolves signal drops on dual-SIM standby.
Click it and navigate to the folder where you extracted the .