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Anonymous users2024-02-08SD card (Secure Digital Memory Card) is a new generation of memory device based on semiconductor flash memory. The SD card was jointly developed by Panasonic, Toshiba and SanDisk in August 1999. The size of a postage stamp, the SD memory card weighs only 2 grams, but it has a high memory capacity, fast data transfer rates, great mobility and great security.
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Anonymous users2024-02-071. First turn on your phone and tap to open the "Settings" app option.
<>3. Then click on the "Save" button in the new interface.
4. Then click on the "Data Storage Location" button in the new interface.
5. Then click on the "SD Card Priority" button in the new interface.
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Anonymous users2024-02-06The phone supports memory card expansion, which means that the memory space of the phone can be expanded by installing a memory card.
The mobile phone itself has a certain memory capacity, and many modern mobile phone brands and models have set up external memory for the personalized needs of mobile phone memory, which is what we usually call mobile phone memory cards.
Memory card support means whether the mobile phone can be expanded by the memory card to increase the memory capacity of the mobile phone itself. In the past, memory cards were mainly used in digital products such as DV and DC, but with the increase in the demand for storage capacity of mobile phones, especially the popularity of smart phones, mobile phone memory cards have become one of the standard configurations of mobile phones.
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Anonymous users2024-02-05Standard SD card: This is another partition of the phone's memory (ROM), this partition can install the required software by yourself, and the software in this partition can be deleted freely.
Mobile phone memory + standard SD card makes up the memory (ROM) of the mobile phone, because that part of the operating system is hidden by the manufacturer, so the capacity and program of this part are generally not visible, and they are mistakenly deleted.
Expansion SD card: This is equivalent to an external SD card, that is, the TF card (micro SD card) that we can buy on the market, and the current general mobile phone can support a TF card with a capacity of 32GB.
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Anonymous users2024-02-04First, the subject is different.
1. Extended SD card: It is a very small flash memory card, and its format is derived from the creation of Sandisk, which was originally called T-Flash.
2. Standard SD card: It is a new generation of memory device based on semiconductor flash memory.
Second, the standards are different.
1. Extended SD card: The controller either transmits a command bit or data bit per clock cycle, and the frequency can be changed between 0 and 25MHz in the default speed mode of the SD bus.
2. Standard SD card: In addition to retaining the 7 pins of the MMC card, 2 more pins are added on both sides as data cables.
Third, the application is different.
1. Expansion SD card: Invented by SanDisk (SanDisk), it is mainly used for mobile **.
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Anonymous users2024-02-03The phone is installed into the standard SD card by default, the standard SD card is full, so it will show that the memory is insufficient, you can set it to install it in the extended SD card by default.
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Anonymous users2024-02-02I've also encountered this problem before, and I've figured it out, the standard SD card is the storage part of the phone's memory in addition to the memory, and the extended SD card is generally a memory card inserted by ourselves.
When the SD card is not inserted, the phone is stored in the standard SD card by default, open the phone settings - Storage - the default storage location is selected as SD will change the installation storage location to the extended SD
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