Here’s step-to-step guide on resetting and formatting Lonsdor K518ISE key programmer. Hope it’s helpful.
Procedures of resetting k518ise programmer:
1). Download and unzip the attached file.
2). Install PhoenixSuit_CN.msi and open the APP.
3). Use a USB cable to connect your K518ISE to a computer.
4). Click the button circled in red first, then the button in black.
5). Find the file “sui8iw5p1_android_dvk3.img”. Click on it and “Open” (circled in black).
6). Hold on the power key and you’ll see an interface below. Click the button circled in red. Then immediately hold on the volume+ key until you see a progress bar in the computer.
7). Two windows will pop up, just click on YES.
8). Update firmware successfully. Pull out the USB cable and wait the device to automatically repair.
9). Don’t touch the device. You will see a white screen and there are two buttons (set up WIFI and update).
10). Set up WIFI and then update. The problem will be solved after updating.
Procedures of formatting K518:
1). Hold these two buttons marked in red at the same time, and you’ll enter an interface as shown below.
2). Press Factory Setting once and the device will show a prompt. Press OK to continue.
3). Wait for about one minute, then you will enter an interface as show in the image below. Select Repair and then Oldest APK.
4). After installing APK, press Return and it’ll be back to the previous interface like below. Press Start APK.
5). Connect the device to WIFI and update it.
6). Press OK to force to update it.
7). After updating, you can use the device as before.