To guide consumers towards scientific and reasonable consumption and to disseminate knowledge about flash drive products, from August to October 2015, the China Consumers Association conducted a comparative test of flash drive products, with testing supported and coordinated by the National Electronic Computer Quality Supervision and Inspection Center. Sample Information The flash drive samples for … Read more
With the increasing demand for mobile communication, OPPO has continuously launched dual SIM dual standby smartphones based on user needs. However, many phones that support dual networks and dual standby also support external expansion cards. The problem is that in order to save space, phones generally integrate SD card and SIM card 2 together, allowing … Read more
Memory Card Partition: (1) Software used: DiskGenius3.4.5_xyls2001 (2) Partition on the computer: a: Connect the memory card to the computer (it’s best to back up the data on the memory card) b: Run DiskGenius, find your memory card drive on the left side of the interface, click it once to confirm, then click on Quick … Read more
How to Fix Phone Storage Space Issues?With smartphones becoming more powerful, there are various apps for food, life, entertainment, and work, and everyone wants to install them all. However, the problem that arises is that the built-in storage of the phone is often insufficient, frequently prompting low storage space warnings. What should we do? Many … Read more
Click on the “arrow indicated” to quickly follow WeChat ID: XJZM0479-8220082 It seems that everyone is not very familiar with this WiFi card; first, let me correct a misconception: the WiFi SD card is a small card type, while the Canon 7D uses CF cards, which are much larger than SD cards. Currently, on the … Read more
Recently, due to certain needs, I researched the method for upgrading firmware via SD card using IAP. As I have been using the STM32 SD card for a while, implementing the SD card program was straightforward; I just needed to write a bootloader program and make some simple settings in Keil. 1. Function: Upgrade STM32 … Read more
Recently, I bought a new development board, which originally comes with the Android operating system. I need to create a boot disk to run a Linux + QT operating system. The new development board comes with the source files for this creation, which need to be copied to the shared directory of the virtual machine … Read more
When your phone’s memory is full, you can’t download anything. Checking the file manager shows there’s still plenty of space, but the notification bar indicates your memory is full. This is actually because the storage space is not set correctly! 1. Change the Preferred Installation Location (this option may not be available on some models … Read more
After receiving bonuses before the New Year, friends are eager to spend. Many have purchased digital cameras or DSLRs, and upon returning home, a common issue arises: why does the camera automatically stop recording when I turn on the video function? Don’t doubt the settings; the issue stems from your SD storage card! SD storage … Read more
Introduction SD card reading and writing refers to the process of microcontrollers reading and writing to SD/TF cards. The SD card is a low-voltage flash memory product that has standard MMC/SPI operation modules. For the MMC operation mode, the reading and writing speed is fast, but it has more control signal lines and is more … Read more