OPPO A15 (CPH2185) & OPPO A15s (CPH2179) FAQ

1

Roaming abroad can’t access the Internet with the China SIM card 

OPPO A15 & OPPO A15s

Hello,sorry to bring you a bad experience. In order to ensure the smooth operation of the mobile phone, our model has optimized the OS system and reduced some of its own applications, so there is no international roaming function.

2

Faster power consumption during standby

OPPO A15 & OPPO A15s

Hello,sorry to bring you a bad experience. In the process of using social applications, in order to ensure the real-time delivery of messages, frequent network requests result in faster power consumption
Suggestions: 1. Turn on the power saving mode (settings-battery-power saving mode)
2. Prohibit self-starting and background running of non-essential software (settings-battery-application power consumption management-select application to close "Allow application to start automatically")
3. Frequently clear background processes and clean up unnecessary software
4. Before going to bed at night, clear background processes, turn off the data network for standby, and save power

3

Hang/not smooth when sliding up and down on the application interface

OPPO A15 & OPPO A15s

Hello, sorry to bring you a bad experience. There are many programs running in the background, which takes up too much running memory. Please clean up background applications or uninstall unnecessary applications in time.

4

Hang/not smooth during the game

OPPO A15 & OPPO A15s

Hello, sorry to bring you a bad experience. For some large-scale online games, they take up a lot of memory and CPU usage, especially when the frame rate is turned on,For some large-scale online games, they take up a lot of memory and CPU usage, especially when the frame rate is turned on, it is easy to cause hang; suggestion: you can clean up the background before Play the game ; if the phone heats up, wait for the phone to cool down before playing the game; the game is set to the smooth mode for the game; the game space is set to the e-sports mode for the game; the game experience is positive;

5

Mobile phone operation is hang/not smooth

OPPO A15 & OPPO A15s

Hello, sorry to bring you a bad experience. There are many applications installed in the system, or the phone is not restarted for a long time, the memory usage is large, the ROM fills up quickly, etc. In that cases, the phone will appear hang phenomenon; Suggestion: Periodically restart the phone, uninstall some unnecessary third-party applications, reset the phone, clean up the ROM storage space and other positive methods.

6

The wifi rate is slower than the comparison machine

OPPO A15 & OPPO A15s

Hello, I’m sorry to bring you a bad experience. Our mobile phone adopts a new single-antenna technical solution, which can well optimize the impact of the handheld on the antenna. but In the case of weak external signals, the wifi speed will be It slows down, it is recommended to use it in a place with strong WiFi signal.

7

Unresponsive when unlock

OPPO A15 & OPPO A15s

Hello, sorry to bring you a bad experience. The capacitive fingerprint we use can improve the fingerprint unlocking rate. If there is sweat or water on the finger, it will affect the sensor's fingerprint recognition, please wipe it dry and unlock it.

8

charging Slow 

所有机器
All model

Hello, sorry to bring you a bad experience. When the charging environment temperature is too high, the phone temperature will rise faster. To ensure the safety of the phone and the user safety , we have adopted a protection mechanism. When the temperature is drop, The charging speed will also be restored.

9

The phone is registered with VoWiFi, the phone signal will fall back to 2, 3G during a call

All model

Hello, sorry to bring you a bad experience. After you register for VoWiFi, you need to manually turn on the priority VoWiFi call. Setting method: Settings -> SIM card and traffic management -> Select the SIM card -> WiFi call option->Select priority to use WiFi call

10

There is no VoLTE icon in the status bar, so you cannot register for VoLTE

All model

Hello, sorry to bring you a bad experience, you can go to Settings->SIM card and traffic management->Select the corresponding SIM card->Turn on the VoLTE call switch or switch the flight mode to try to register again

11

The SIM card cannot be recognized, and it is normal to insert it into another phone

All model

Hello, sorry to bring you a bad experience. This kind of problem is likely to be the aging and damage of the SIM card , or may be a malfunction of the mobile phone. You can go to the nearest OPPO official customer service center to help detect and solve it.

12

4G registration failed

All model

Hello,sorry to bring you a bad experience. In this case, the network mode may be set to 3g/2g or 2g only. You can manually set the network mode to 4g/3g/2g 

13

The user sends a long text message and charges for multiple text messages

All model

Hello,sorry to bring you a bad experience. The length of the SMS is limited. If your messager length exceeds the limit, it will be divided into multiple SMSs to be sent. This is the normal charging standard of the operator

14

There is noise when watching videos and listening to music

All model

Can you hear the noise with headphones, or if other models play the same sound source, if there are noises, it may be the sound source issue. If there is no problem with the audio source, please record the name of the tested audio source file to feedback.

15

Poor quality of listening to music

All model

When the customer feedbacks that the sound quality is poor, ask the user whether to switch to high-quality music listening. The better the quality of the sound source, the better the sound quality when playing with speakers and headphones (if already used high-quality music, please record the name of the sound source and the user’s comments on the poor sound quality to feedback). 

16

Small volumn

All model

It is recommended that users adjust the volume to the maximum;
If it is a call scene, users can be suggested to use hands-free and headset mode to call;
If it is music and video scenes, it is recommended that users use headphones to experience;
If it is a game scene, the use of headphones can greatly enhance the user's voice communication experience；
If the problem persists, please move to the customer service center for processing.

17

The off-screen clock does not display after a period of time

All model

Reason: In order to reduce power consumption, the screen clock will not always be displayed.
Solution: just lift the phone again.

18

Occasional intermittent, silent, low voice, and hanging when making a call

All model

Hello, please compare whether other mobile phones have similar problems. Sometimes the call is abnormal for a short time due to communication network delay and other reasons. After this happens, you can try to dial the call again, and the normal call can be restored. If you cannot restore it, please move to the customer service center for processing.

19

When making a call, the screen will not turn off randomly when answering the call

All model

When answering the phone through your hair, the screen will occasionally keep turn on. This is a normal phenomenon. It is recommended that you lift your hair when answering the phone and keep the phone close to your ear.

20

Fingerprint cannot be added

All model

It is recommended that users go to the nearest oppo service center for testing.