When Ms. Ma was using her Xiaomi M4, she accidentally deleted her call records. Some of the numbers were still in the future and had been stored. After searching online, she found out that Dass Mobile Data Recovery Software is a professional tool used by various government agencies like the police, prosecutors, courts, and military. She reached out to Hebei Dakai Software Technology Co., Ltd. and sincerely hoped to recover her lost call records as soon as possible. With detailed guidance from Dass experts, Ms. Ma successfully restored her Xiaomi M4 call logs using the professional version of Dass Mobile Data Recovery Software.
In the following series, we will guide you through how to use the Dass Mobile Phone Data Recovery Software Professional Edition to restore call records on your Xiaomi M4.
First, visit the official Dass website at http://download and download the professional version of the software. Install it on your computer and open it. Then connect your phone to the computer using a USB cable. On your phone, go to "Settings," then tap "About Phone." Tap the "Build Number" seven times to enable Developer Options. Once enabled, go back to "Developer Options" and check "USB Debugging."
After setting up, open the Dass Mobile Data Recovery Software and click "Start Connection," as shown in Figure 1.
Once connected, the software will display your phone's basic information. Click "Android Recovery" in the navigation bar, then select "Android Call Record." Click "Start Manual Scan," and choose the appropriate database (such as contacts2.db). The scan usually takes just a few seconds, depending on the size of the file, as shown in Figure 2.
After the scan completes, the deleted contacts will be highlighted in red. You can right-click and export them, as seen in Figure 3.
**About Hebei Dakai Software Technology Co., Ltd.**
Hebei Dakai Software Technology Co., Ltd. was established in January 2015 with a registered capital of 5 million yuan. It is built by the well-known data recovery company, Dass Technology. As a leading research and development organization for smartphone data recovery and forensics in China, Dakai specializes in providing high-quality tools used by many public security, procuratorate, court, and military units.
**Smartphone Data Recovery Technology Leading the Way**
Dakai Software focuses on advanced technologies such as smartphone logic data extraction, data deletion recovery, logical-level forensic analysis, and physical-grade data recovery. The company aims to become the top provider of smartphone data recovery and forensic solutions in the country.
They have released several products, including the Darth Android Mobile Image Software, Dass Android Mobile Data Recovery Software, Dash Apple Mobile Data Recovery Software, and the Darth Smartphone Data Recovery Software Professional Edition.
Dakai is also preparing to launch new physical-grade smartphone data recovery and forensic equipment, which will bring significant advancements to domestic mobile phone forensic and recovery technology.
**Training and Education**
Dakai’s team of engineers has deep expertise in both logic and hardware-level smartphone data recovery and forensics. They apply these technologies to real-world judicial cases, offering direct support to law enforcement technical departments. Dakai provides specialized training in mobile phone data recovery and forensics for the public security sector.
**Lab Construction**
Dakai offers comprehensive lab solutions for mobile phone data recovery and forensic analysis. From logical structure to physical data extraction, they provide full software and hardware solutions. Their labs are especially suitable for the public inspection industry, helping overcome technical barriers in smartphone data recovery and forensics.
**Training Rooms for Vocational Colleges**
Dakai launched a vocational college smartphone data recovery and verification training room solution, becoming a top choice for colleges across China. Many vocational schools, such as Beijing Labor and Social Security Vocational College and Beijing Political and Law Vocational College, have adopted Dass Data Recovery Training Rooms and now offer courses in data recovery.
This training room is a trend-setting feature in vocational education, and Dakai continues to expand its school-enterprise cooperation, offering data recovery courses and inviting experts to teach students directly. This hands-on approach has been very popular among students.
Dakai Software is the leading expert in smartphone data recovery and forensics in China.
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