Test Range：

1.The questions with high error rate in the Feb. monthly test
2.Battery operation general knowledge
3.Processing Guidance on Screen Flicker with R15,R15 Pro _V1.0
4.Notice About Google Assistant Forced Closed Issue
5.FAQ  for Fingerprint Calibration 
6.Training materials ofR17Pro
General knowledge

Questions：

1.[Single]If users send the feedback that holding the home key to enter the Google assistant and saying "turn off GPS", "turn on GPS", Google Assistant will be automatically forced close.(C)
A. Restart the phone
B. Reset the phone
C. Enter Settings一App Management一Show System Process—Google —Uninstall  updates
2.[Single]If R15&R15 Pro appears screen flicker malfunction, how long will the warranty period for the screen last？（C）
A.Half of a year
B.One year
C.Two years
D.Three years
3.[T/F]The R15/R15 Pro phone with OOW from abnormal factors can not enjoy the extension of the warranty period. ( T）
4.[T/F]If the user's R15 / R15 Pro appears screen flicker on screen-off /on by pressing the power key, technicians can replace screen assembly for users. （T）
5.[Multiple]Which of the following record descriptions are correct if the users R15&R15 Pro appears screen flicker malfunction. （AC）
A.If the user's mobile phone has been purchased for less than one year, and the service center replaces the screen assembly for the user. Record “In-Warranty(IW)”in the maintenance type.
B. If the user's mobile phone has been purchased for one and a half years, and the service center replaces the screen assembly for the user.  Record“OOW” in the maintenance type.
C.If the user's mobile phone has been purchased for more than one year but less than two years, fill in the “Extension warranty for R15’s flicker screen” in the “Remarks”. Record “In-Warranty(IW)” in the maintenance type.
 6.[T/F]If the user’s R15&R15 Pro appears flicker malfunction and the user has purchased the extended warranty service for the phone. The extended warranty service can be added together with the extension warranty for R15&R15 Pro. （F）
7.[Multiple] Which of the following statements are correct? （AB）
A.OPPO is first smartphone manufacturers to launch TOF camera and apply 3D Structured Light.
B.AR Measurement is one of the applicable scenarios of TOF on R17 Pro.
C.If the users ask about when will 3D Photo be applied on R17 Pro , we can tell users that R17 Pro will support 3D Photo through OTA updates.
D.Because 3D Photo is not released on R17 Pro currently, so the third camera of R17 Pro is of no use currently.
8.[Single]Regarding the function of the mobile phone flashlight. Which of the following statements is true. （C）
A.When using the flashlight and the camera flashlight function, two different hardware modules will be called.
B.When you turn on the rear camera to take photos, you can use the flashlight function at the same time.
C.When the rear camera is turned on, the flashlight cannot be used to ensure the flashlight function of the camera.
9.[Single]What is the charging power of Super VOOC? （D）
A.    20W
B.    30W
C.    40W
D.    50W
10.[Single]What is the charging voltage and charging current of Super VOOC? （A）
A.    10V  5A
B.    5V   10A
C.    5V   5A
D.    5V   2A
11.[Multiple] Which of the following questions should be checked  if the R17 Pro fingerprint is not sensitive？（ABCD）
A. Whether the user used a non-original protective film
B. Whether the protective film is stained
C. Whether the finger is too dry
D. Whether the issue is from the unlocking habit of the user
12.[Multiple]Which following statement about the App Split-screen are correct?（BC）
A.When using apps that support Split-screen, just swipe down with three fingers to enter Split-screen mode.
B.Long press the multitasking key to enter split-screen mode in apps that support this function.
C.After pulling down a task that supports the split-screen function in recent tasks, you can tap the “Split-screen” to enter split-screen mode.
13.[T/F]The disassembled battery must be placed separately in the ESD table mat grid or ESD tray. （T）
14. [T/F] When removing the built-in battery, the phone should be placed on the desktop for disassembly. It should not be removed directly in the hand. （T）
15.[Multiple]Which of the following approaches are correct when it prompts “0x36 Relative illuminance abnormal” during fingerprint calibration. （AB）
A.Repair the phone after the phone has been powered off, and then restart the phone after assembly,
B.Press the yellow stripe rubber head harder
C.Replace the fingerprint module
16.[T/F] For the phones before F7, the power key+ the upper volume key should be pressed for 8 seconds to power off before disassembly. （T）
17.[Single]The customers inquire that after deleting some videos and photos, the storage remain unchanged. How to deal with this issue?( A )
A.Enter Photo—Album—Recently Deleted—and delete the photo and videos that were deleted recently. 
B.Flash the device to clean date
C.Explain to the user that it is a malfunction of the mobile phone system.
18.[Multiple] Which of the following requirements of ESD management in the service center are correct?( ACDE)
A.Maintenance countertops must be grounded by using a dedicated wire
B.Some maintenance tools can be non-ESD materials
C.Maintenance technicians must wear ESD uniforms and ESD wristbands.
D.When contacting ESD materials. ESD wristbands must be worn even in non-maintenance areas
E.The service centers shall check each item every week according to the ESD checklist.
19.【Single】What is the right steps for the second generation easy-tore paper disassembly for the built-in battery? （C）
①    Hold the ends of the phone with your hand, grip the handle, slowly pull the battery up and tear the easy-tore paper;
②    If the battery is difficult to be disassembled or the battery has got deformed, stop disassembling vigorously and add alcohol with a syringe to continue disassembling;
③    Put the phone on the ESD table and tear the paper by holding the battery handle;
A.    ①②③
B.    ③②①
C.    ③①②
20.【Multiple】Which of the following description about the function of upgrading the phone system are right? （ABCD）
A. Optimize the system and improve system stability
B. Add new features
C. Increase compatibility for the third Apps
D. Repair system malfunctions