Test Range：

1.The questions with high error rate in the Jan. monthly test
2.Battery operation general knowledge
3.A Passive Response Regarding 3D Photo of OPPO R17 Pro
4.Notice about Login Error When Opening Google Play Store
5.Notice about Unable to 0pen the Flashlight When Swiping Down Status Bar

Qusetions：

1.[Multiple] If the users or the media ask about the 3D Photo of OPPO R17 Pro. Which of the following processing methods are correct?（BC）
A. Telling users that OPPO R17 Pro does not support 3D Photo.
B.  For media that already knew or tried 3D Photo, make a sincere apology.
C. For media to whom information on 3D Photo has not been released yet (as the phone is to be launched), explain to them how TOF camera works and AR Measurement function.
2.[T/F]OPPO is first smartphone manufacturers to launch TOF camera and apply 3D Structured Light.（T）
3.[T/F] AR Measurement is one of the applicable scenarios of TOF on R17 Pro.（T）
4.[T/F] If the users ask about when the R17 Pro can use the 3D Photo, we can tell users that R17 Pro will support 3D Photo through OTA updates afterwards.（F）
5.[T/F]Because of the 3D Photo is not released on R17 Pro currently, so the third camera has no effect currently.（F）
6.[Multiple]Regarding the function of the mobile phone flashlight. Which of the following statements is wrong. （AB）
A. The flashlight and the camera flash function call two different hardware modules.
B. When you turn on the rear camera to take photo, you can use the flashlight function at the same time.
C. When the rear camera is turned on, the flashlight cannot be used in order to give priority to ensure the camera's flash function.
7. [T/F] When using the camera to take photos, if you want to use the phone flashlight function, you can close the camera application or close the process in the background （T）
8. [T/F]Recently, there is feedback from the users that the mobile phone prompts “Error retrieving information from sever” when opening the Google Play Store app, the issue results from Google server itself; （T）
9.[Multiple] Since the system maintenance for old models which has been seldom used costs a sum of high expanse, the old server now has been switched to the new server where the old modes can be flashed. Since the server has been switched, if the service centers no update the flash tool, a dialog will pop up when flashing. The prompt in the dialog include ( AB )
A.    Timeout
B.    Connect Timeout
10.[Multiple]Which of the following models need to switch to the new tool?( ABC )
A.    R9s
B.    R11
C.    R9s Plus
D.    Find X
11. [Multiple] Which of the following statements are correct about NFC test.（AB）
A. After entering the test interface and putting the rear camera area close to the NFC card reader, if the signal light of the card reader changes from red to green with a "beeping” sound, it is a good product;
B. After entering the test interface and putting the employee ID card containing the chip close to the rear camera area of the mobile phone. If the mobile phone emits a “beeping” sound, it is NFC as a good product
C.After entering the test interface, increase the volume of the mobile phone and test the NFC function by placing any employee ID card on the rear camera area of the mobile phone
12.[Multiple]If there is feedback that WhatsApp cannot jump to the SMS verification interface, what should we suggest the user to do?（AB）
If the version of the WhatsApp in users’ phones is 2.18.361/2.18.380.We should suggest the users to open permission of receiving SMS to register or log in normally.
Suggest the users to use the old version of WhatsApp 2.18.341
Suggest the users to back up the phone data and reset the phone;.
13.[Multiple] Which of the following processing methods are correct if there is an error prompt : Fingerprint calibration error: 0x35 Zoom out multiple abnormal.（ABC）
A. When replacing the fingerprint module, it is necessary to clean out the black foam remaining in the middle of the fingerprint hole of the middle frame;
B. Check if the fingerprint module screw is well-installed and there is no foreign matter around the screw hole;
C. Replace the fingerprint module;
14.[Multiple]If engineer takes the mainboard to leave the maintenance table, what ESD protection measures should be taken?(ABC)
A.Wear the ESD gloves
B. Put the mainboard in the ESD tray
C.Put the mainboard in the ESD bay
D.Put the mainboard on hand directly
15.[T/F]Batteries without swell and leakage can be sent back to China headquarters with other parts. （F）
16. [T/F] When removing the built-in battery, the phone should be flatly placed on the desktop for disassembly. It should not be removed directly in the hand. （T）
17. [Single]The processing steps for the swollen and leakage battery, which following sorting is correct( A)
① Use the black ESD bags to package individually
② Cover the bucket and put it into a ventilated environment for 48H
③ Fill the bucket with water
④Soak the battery to be treated in the salt water
⑤Put the salt about 200G in the bucket
⑥Post the fault label on the seal and send back to the company.
⑦Take the battery out and dry it and place it separately
A.    ③⑤④②⑦①⑥
B.    ③⑤④⑦①②⑥
C.    ④②⑦①③⑤⑥
18. [T/F] If the user's battery is found to be damaged during repair, you need to remind users to replace the battery according to the normal warranty policy. If the user does not agree to pay for the replacement, the battery need not to be repaired.（F）
19. [Multiple]Which ones are incorrect about battery operation?(ABC)
A. It is strictly forbidden to heat the battery directly by heating equipment such as a heat gun or a hot air cylinder.
B. The battery after disassembly can be only stacked up to 2
C. The battery that is fixed by the easy-tore paper can be directly removed by the suction cup. Note that the battery cannot be deformed
D.  It is not allowed to reuse the easy-tore paper after removing the battery from device, and it must be repackaged by new easy-tore paper
20.[Single]How many batteries can be stacked at the same time?（C）
A. 2
B.  3
C. The disassembled battery should be placed separately in the ESD table mat/ tray, it’s not allowed to stack the battery.