3 If Necessary: Set Factory Test Mode with QXDM In case the "Copy Item File from PC." fails with an exception, you most probably will have to enable "Factory Test Mode" before you can create the sap_security_restrictions file.
Repeat the SIM check in the rSAP app, it should succeed now. If there are no error messages close all windows and reboot your phone. It should now look like in the above picture. Download the file sap_security_restrictions, click with the right mouse button in the right pane of the EFS Explorer, choose "Copy Item File from PC." and select the downloaded file. Navigate to the path /nv/item_files/modem/qmi/uim. You see a window similar to Windows Explorer Now select "Start Clients" and "EFS Explorer". If not click on "Add New Port" and manually enter the COM port from step 1. Sometimes QPST automatically detects the phone and shows it.
QXDM LOCK BANDS QUALCOMM DRIVER
Be sure to run a virus check over the downloaded file, you never know.Īfter installation connect your phone in diag mode, make sure the driver is loaded and start QPST. The latest version I could find is 2.7.425, so search for "QPST 2.7.425". 2 Run QPSTįirst of all you need to find a leaked version of this Qualcomm tool. In case your phone is affected let me know, I'll try to add a detailed description to the above list. This shoud be mentioned in the blog entries which describe the diag mode.
You may need to flash a different firmware and/or a different kernel. Note that some phones have the diag port completely disabled. Simply follow the instructions to set the phone's USB to diag mode and then continue with step 2.
QXDM LOCK BANDS QUALCOMM HOW TO
Usually you will find blog entries describing how to enable additional frequencies or LTE bands, this is also done with the QPST tool. If your phone is not listed here, you may search the Internet for " qpst". Please find the descriptons for some popular phones here: 1 USB Diag Modeīefore switching on USB diag mode be sure to enable Android developer settings and switch on USB debugging. Step 1 may be different for every phone, step 2 is always the same.
QXDM LOCK BANDS QUALCOMM INSTALL
Some phones don't support the diag port from within Android. Sadly this doesn't work on all phones, so you will have to use the more complicated QPST way. Run the latest installer app from Google Play and follow the instructions. The setting is stored in the "EFS" partition which also contains your IMEI and other important data and therefore also survives a complete firmware reflash.Įasy Solution: Enable rSAP With The Installer App You need to enable rSAP only once for your phone. If your phone shows the following error message you will have to enable the SIM access function in the Qualcomm baseband.
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