Then remove the check of AutoBackup/Restore , When you have BP in nandflash and want to download again, the method is as follows:Ĭonnect the power supply, and connect the motherboard to the PC, open the QPST Down software, the interface is as followsĬlick Browse behind Port, the following interface appears: Wait for all downloads to complete, as shown below:Īfter completion, you can choose to download AP 's boot.img and system.img to nandflash to complete the system startup. Note: File completed in time, need to click the lower right corner of the USB, connected on Qualcomm's device to download the back. Note that this step must be selected for each download.Ĭlick OK to return to the main interface as follows:

The interface after selection is as follows : Need to copy to a directory of and bp under the directory compiled by AP Īmong them, AMSS Apps BootLdr Header, AMSS Apps Boot Loader. Need to add AMSS Apps BootLdr Header, AMSS Apps Boot Loader. Image Folder select the desired download destination folder,Ĭlick Advanced behind SPC as shown below: Back to the main interface.Ĭlick on Multi-image of QPST Download, please note: Use Emerg must be checked for the first download. Select MSM7627A (NAND flash) in ARMPRG to use as shown below,Ĭlick OK to confirm. OK to confirm the connection.Ĭlick Options->settings in the upper left corner to make the following settings If the current is too large (more than 200mA ) when the power is on, please cut off the power in time.ģ Perform the following operations on Ubuntu, Devices->USB Devicec->QHSUSB_DLOADģ Open the QPST Configuration software and proceed as followsĬlick Add New Port, the following interface appearsĬlick COM4-USB/QC Diagnostic. Ģ Use the power supply to supply power to the motherboard and monitor the current.

Use QPST to download the motherboard for the first timeġ Connect the motherboard to the PC via a USB cable.

Qualcomm qpst