Shulou(Shulou.com)05/31 Report--

OPPOA57 is a very cost-effective mobile phone, many netizens have bought one. But after getting OPPOA57, netizens don't know how to use OPPOA57, such as how to screenshot OPPOA57. On this issue, in today's article, Bian Xiao will share a screenshot tutorial of OPPOA57 with you.

OPPOA57

Method 1: Press and hold the power button under volume at the same time to get a screenshot.

Method two: three fingers hold down the screen and slide down. If not, you need to set the three-finger screenshot gesture in Settings.

Method 3: If you use third-party software, you can download the screenshot software that best suits your phone from the online app store, but this requires activating the ROOT function of your phone.

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OPPOA57 How to open USB for debugging?

1. Open the settings of OPPOA57 mobile phone, enter the settings and click about mobile phone, then click "more" in about mobile phone.

2. Find the version number, click four times in a row, then click "General"-"More."

3. After clicking "More," you can see a "Developer Options" at the bottom. Finally, debug USB appears.

How do I connect the OPPOA57 to my computer?

1. Open Mobile Settings-General-About Mobile;

2. Find the version number and click several times until "You are in developer options" appears;

3. The more systems you go back to Settings--you can see that "Developer Options" have come out. Click on Developer Options and open USB Debugging;

4. After opening USB debugging, your OPPOA57 can be connected to the computer.

How to insert OPPO A57 card?

1. Insert your own pin into the hole on the left side of the machine.

2.2 The groove. The SIM card sticks out slightly.

3. Remove SIM card slot and replace SIM card.

Normal. After getting a new phone, the first thing to do is to install a SIM card on the phone. Of course, because of the good cost performance, many small partners have expressed the idea of buying. So how do I install the card? How does it work? Today, Bian Xiao will introduce how to install/insert cards, hoping to provide reference value for users and friends who install SIM cards to start this new machine.

SIM card installation method steps:

Step 1: First find the donated pin-clip accessory in the package accessories.

Step 2: Insert the card pin into the SIM card holder hole on the upper left side of the fuselage, push the card holder to pop up, and you can easily remove the card holder.

Step 3: Install one or two Nano SIM cards into the card holder and insert the SIM card into the slot of the mobile phone card.

Step 4: Complete the above operations, and you can see the carrier's network signal strength logo on the left side of the top battery display. If you can see the network signal sign as shown in the figure, it means that the card is successfully installed, and then you can communicate with the Internet normally.

Support all new Netcom, can support China Mobile, China Unicom, China Telecom. Travelling abroad can not only choose Flyme international traffic, but also roam directly, which is more convenient to use.

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Carrier network standards support.

Is a full Netcom smart phone, support 7 mode 18 frequency, undertake China Mobile, China Unicom, Telecom all networks, support dual card dual standby, Volte HD voice calls.

Network Support Overview:

operators and standards.

Full Netcom Public Edition/Full Netcom Mobile Custom Edition/Full Netcom Telecom Edition:

Mobile 4G TD-LTE, Unicom/Telecom 4G TD/FDD-LTE.

Mobile Time Division Synchronous Code Division Multiple Access, China Unicom 3G WCDMA and Telecom 3G EVDO.

China Mobile/China Unicom 2G GSM, Telecom 2G CDMA.

all models

82.11a/b/g/n Wireless network.

Supports 5 GHz and 2.4 GHz bands.

Bluetooth 4.2

BLE Support

If a single SIM card is used, it can support any network from any carrier. However, if two SIM cards are installed at the same time, it should be noted that the primary card supports mobile/Unicom/Telecom 4G networks, and the secondary card only supports 2G/3G networks. In addition, if the primary card is a telecommunication card, the secondary card only supports mobile/Unicom cards, and does not support the simultaneous use of two telecommunication cards.

SIM card type

There are currently three types of SIM cards used in smartphones, namely standard SIM cards, micro SIM cards and South Australian SIM cards. The dual card slot uses Nano-SIM card, which supports dual card dual standby, that is, the dual card slot requires Nano SIM(mini card).

Therefore, you need to prepare one or two Nano SIM cards in advance before installing the card. if

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