Instructional video for Installing JC400 4G Car DVR Camera with GPS Tracking

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[@falconcrest78]

purchased jc400 in March 2021, and in November 2022 it stopped working because of a faulty sim housing. i have asked many electronic labs to fix it, and not one technician wants to touch it. i end up with more than 200 USD dash cam that doesn't work, it means that more than 200usd went to the trash. my advice to the buyers if you want to buy this cam buy a cam with a warranty and guarantee to make your money worth it.

[@pepenum1ify]

How long will 1GB of data last me

[@rusbinmontejo6379]

What kind of sim card did you use you know because I been having problems for my to get it to work

[@XKQ2]

Me too

[@AKillu47]

Do you guys found any solutions? Same problem here

[@ableinnovation]

Hi,
I am Pratik Raghuwanshi one of the Electronic Research & Development Engineering at CBDNS. We are currently working on development of a Smart Glasses. Our team really like your work on Ambarella A12 chip and we think that Ambarella chip can be your main processor of Smart Glasses. In future we are looking to lunch this product at global level. For this we want to now how we can get Ambarella chips samples for more research and after we will place a bulk order. Looking forward to do business with you.
Thank you