test point is used to trigger EDL (Emergency Download) Mode Bootrom mode Huawei Honor V9 Play Honor 6C Pro
(Image recommendation in original article: Add a high-resolution annotated photo of the JMM-AL10 motherboard with the test point circled.) jmm-al10 test point
Once you have located the test points, follow this procedure to put the device into Meta Mode or BROM Mode. test point is used to trigger EDL (Emergency
Visual Hint: Look for a small, isolated pair of pads near the bottom right edge of the motherboard when the screen faces down. Re-short
| Symptom | Likely Cause | Solution | | :--- | :--- | :--- | | PC makes "USB disconnect" sound immediately | Battery not disconnected | Unplug the battery flex cable. Re-short. | | PC detects "Unknown Device" | Drivers missing | Install Huawei USB COM drivers or MTK VCOM drivers. | | No detection at all | Wrong test point identified | Your PCB revision is different. Search for "CLK" or "DET" pads near the SIM slot. | | IDT/SPFT gives error 2004 / 2005 | Short released too early or too late | Practice the timing. Short, connect USB, wait 3 seconds, release. | | Phone gets hot quickly | Short to the wrong pin | Immediately disconnect USB and battery. Re-identify the correct test point. |
test point is used to trigger EDL (Emergency Download) Mode Bootrom mode Huawei Honor V9 Play Honor 6C Pro
(Image recommendation in original article: Add a high-resolution annotated photo of the JMM-AL10 motherboard with the test point circled.)
Once you have located the test points, follow this procedure to put the device into Meta Mode or BROM Mode.
Visual Hint: Look for a small, isolated pair of pads near the bottom right edge of the motherboard when the screen faces down.
| Symptom | Likely Cause | Solution | | :--- | :--- | :--- | | PC makes "USB disconnect" sound immediately | Battery not disconnected | Unplug the battery flex cable. Re-short. | | PC detects "Unknown Device" | Drivers missing | Install Huawei USB COM drivers or MTK VCOM drivers. | | No detection at all | Wrong test point identified | Your PCB revision is different. Search for "CLK" or "DET" pads near the SIM slot. | | IDT/SPFT gives error 2004 / 2005 | Short released too early or too late | Practice the timing. Short, connect USB, wait 3 seconds, release. | | Phone gets hot quickly | Short to the wrong pin | Immediately disconnect USB and battery. Re-identify the correct test point. |