Repair of video recorder.
The video shows the repair process of a Chinese dash cam. After a month of use, the DVR became locked, and all attempts to unlock it using unlock code generators were unsuccessful. The only option left was to edit the dash cam's dump file, after which the dash cam booted up and resumed normal operation.
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Saving on purchases - http://epngo.bz/epn_index/7812c
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Hantek DSO5102P Oscilloscope - http://ali.pub/4rbxs3
Probe (1:100 divider) - http://ali.pub/4rbehx
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MinPro Programmer - http://ali.pub/4s9jiz
TL866II Plus Programmer - http://ali.pub/4s9ldv
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BGA Stencil Set - http://ali.pub/zsh2j
Soldering Iron - http://ali.pub/4s9t9d
Soldering Iron with T12 Tips - http://ali.pub/4s9tip
Amtech LF-4300-TF Flux - http://ali.pub/kmz0v
Kapton Tape - http://ali.pub/4rbwyq
Protective Mask with Flashlight - http://ali.pub/4s9gjn
PCB Pick - http://ali.pub/2ejrgs
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Transistor Tester - http://ali.pub/3cgsk6
DDR3(DDR2) Slot Tester - http://ali.pub/4rbwfv
Socket 775 Tester - http://ali.pub/4s9ltf
AM2 Socket Tester - http://ali.pub/4s9mi4
USB Tester - http://ali.pub/4s9tr2
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Board Holder - http://ali.pub/4rbvl5
Power Supply (Constructor) - http://ali.pub/sn63z
Multi-Turn Resistors - http://ali.pub/4s9sl9
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Ultrasonic Bath - http://ali.pub/4s9i50
Engraving Machine - http://ali.pub/4s9n0l
Pyrometer - http://ali.pub/4s9nym
IMAXB6 Charger - http://ali.pub/4s9s45
Li-ion Battery Charger - http://ali.pub/4s9tzt
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DDR2(3) RAM - http://ali.pub/4rbgsy
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Sandblasting gun - http://ali.pub/3cn9gm
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Dashcam - http://ali.pub/4s96qj