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telit_sp600 with phone lock

i have smart phone telit_sp600 with phone lock
anr hard rest or any tool can help or flash
http://www.gsmarena.com/telit_sp600-1539.php

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How can i install this firmware (which method)?

Hello i have a tablet which is unknown brand (Praktica 7.3). It was brick and now i founded a firmware finally but i dunno how can i install this firmware. Can you tell me how can i install this firmware.
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after the flash of my phone r7f plus using QFIL, impossible to activate the wifi

hello, can someone help me please, after the flash of my phone r7f plus using QFIL, impossible to activate the wifi
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https://drive.google.com/file/d/1vs2KE2-OKFwQrlkmIGBkHU6rIlWgDLed/view?usp=sharing

Phone will only update via smart switch on PC

This is all I see in the software updates menu... can anyone help? I couldn't find anything about this.
Spoiler
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HELP!! Error "Automatic detection of ddr failed and Preload failde" , I can't transfer the phone to fastboot

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The ROM you want to flash isn't suitable.

you are installing the wrong version for your device