When Ms. Ma was using her Xiaomi M4, she accidentally deleted the call records on her phone. Some of the numbers were still in the future and had been saved. After searching online, she learned about Dass Mobile Data Recovery Software, a professional tool used by various security-related organizations such as the police, procuratorate, courts, and military. She reached out to Hebei Dakai Software Technology Co., Ltd. with a sincere request to recover her lost call records. With detailed guidance from Dass experts, Ms. Ma successfully restored her Xiaomi M4 call logs using the Dass Professional Edition.
In this article, we’ll walk you through how to use the Dass Mobile Phone Data Recovery Software Professional Version to restore call records on a 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 the program. Then, connect your Xiaomi M4 to the computer using a data cable. On your phone, go to "Settings," tap "About Phone," and tap the "Build Number" seven times to enable Developer Options. Once enabled, go back to "Developer Options" and make sure "USB Debugging" is turned on.
Once the setup is complete, launch the Dass Mobile Data Recovery Software and click "Start Connection." As shown in Figure 1:
After the connection is successful, the software will display your phone’s basic information. Click on "Android Recovery" in the navigation bar, then select "Android Call Record." Click "Start Manual Scan," and the software will automatically locate the relevant database file (usually "contacts2.db"). Depending on the size of the database, the scan usually takes just a few seconds, as shown in Figure 2:
Once the scan is complete, the deleted contacts will be marked in red. You can right-click on them and choose "Export" to save the recovered data. As shown in Figure 3:
Finally, here's a logo representing the leadership of Dass Technology in the field of data recovery:
**About Hebei Dakai Software Technology Co., Ltd.**
Hebei Dakai Software Technology Co., Ltd. was founded in January 2015 with a registered capital of 5 million yuan. It is part of China's renowned data recovery company, Dass Technology, and is considered the leading research and development organization for smartphone data recovery and forensics in China. Their software is widely used by law enforcement and other sensitive institutions due to its high level of reliability and performance.
**Smartphone Data Recovery Technology Leading the Way**
Dakai Software specializes in advanced technologies for logical data extraction, data deletion recovery, forensic analysis, and physical-level data recovery. They aim to establish themselves as the top provider of smartphone data recovery and digital forensics in the country.
They have released several products including the Dass Android Mobile Image Software, Dass Android Mobile Data Recovery Software, Dass Apple Mobile Data Recovery Software, and the Dass Smartphone Data Recovery Professional Version.
Their upcoming physical-grade smartphone data recovery and forensic equipment is expected to bring significant advancements to domestic mobile phone forensics and recovery technology.
**Training and Education**
Dakai Software also offers training programs in smartphone data recovery and forensics. Their engineers have extensive knowledge in both logic and hardware-level recovery techniques, which they apply to real-world judicial cases. They provide direct support to law enforcement agencies and offer specialized training courses in mobile phone data recovery.
**Lab Construction**
They also provide comprehensive solutions for building mobile phone data recovery and forensic laboratories. From logical data extraction to physical-level recovery tools, Dakai offers a full range of software and hardware solutions tailored for law enforcement and forensic professionals.
**Training Rooms for Vocational Colleges**
Dakai has launched a smartphone data recovery and verification training room solution that is now being adopted by many vocational colleges across China. These training rooms are designed to equip students with hands-on experience in mobile data recovery and are increasingly popular among students.
Dakai Software is recognized as a leading expert in smartphone data recovery and forensics in China. With continuous innovation and strong industry partnerships, they continue to shape the future of mobile data recovery.
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