In today’s fast-paced digital world, the widespread use of smartphones has become an essential part of daily life. With rapid advancements in technology and frequent updates to mobile devices, people rely heavily on their phones for communication, work, and entertainment. However, this convenience comes with risks—data loss due to accidental deletion, hardware failure, or software issues is a common problem that many users face. It can be extremely frustrating when important information like chat records, photos, or documents disappears without warning.
Mr. Zhao, a regular user of mobile QQ for professional communication, recently encountered a serious issue. While using his OPPO R7, he accidentally deleted critical QQ chat records, which contained vital business conversations. The loss left him anxious and desperate. After researching online, he came across a highly trusted mobile phone data recovery solution used by government agencies such as courts, procuratorates, and military units. He decided to reach out to Dass technical experts, who successfully recovered his lost QQ messages using the Dass Mobile Phone Data Recovery Professional Edition.
This article will guide you through the process of recovering deleted QQ chat records from an OPPO R7 using the Dass software. Let's get started.
First, visit the official website of Dass Mobile Phone Data Recovery Software at [http://download](http://download) to download the professional version. Once downloaded, install the software on your computer and open it. Next, connect your OPPO R7 to the computer using a USB cable. On your phone, go to "Settings" > "About Phone," then tap the "Build Number" seven times to enable "Developer Options." Return to the main menu, select "Developer Options," and enable "USB Debugging." Your device is now ready for data recovery.
Click the "Start Connection" button in the Dass software. As shown in Figure 1, the software will detect your connected device and display its basic information. Then, navigate to the "Android Recovery" section, select "Android QQ," and choose the backup database directory. Locate the "databases" folder and click OK (see Figure 2).
After the connection is established, double-click on the QQ account you want to recover. The Dass software will automatically scan the database, which usually takes just a few seconds. Once the scan is complete, the deleted messages will appear in red, indicating they can be recovered. You can then export them with just a few clicks (see Figure 3).
Dass Mobile Phone Data Recovery Professional Edition is not only powerful but also trusted by law enforcement and security organizations. It offers a reliable solution for recovering lost data from Android devices, making it a must-have tool for anyone concerned about data loss.
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 a subsidiary of Darth Technology, a well-known name in the field of data recovery. As a leading research and development organization in smartphone data recovery and forensics in China, Dakai specializes in providing advanced solutions for mobile data retrieval.
The company focuses on developing cutting-edge technologies in logical data extraction, data deletion recovery, forensic analysis, and physical-level data recovery. Its products include the Dass Android Data Recovery Software, Dass iOS Data Recovery Software, and the Dass Mobile Phone Data Recovery Professional Version.
Dakai Software is also expanding into physical-grade data recovery and forensic equipment, aiming to bring new innovations to the field of mobile phone forensics. In addition, the company provides training programs for law enforcement and vocational colleges, helping students and professionals gain hands-on experience in mobile data recovery and digital forensics.
With its strong technical foundation and commitment to excellence, Hebei Dakai Software Technology Co., Ltd. continues to lead the way in smartphone data recovery and forensic services in China.
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