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1. We first need to switch on the mobile phone on the USB debugging, first in the mobile phone desktop to find the "application" as shown in the picture. 2. Then we'll find the "Set" button and click Enter. 3. Then click on the "More" button as shown in the following figure. 4. Well, in more, you'll see a "about the device" panel. 5. In the click into the device we will see a "build number", straight now we continue to

1. Click "Settings" in the Xperia Z1 interface to enter the phone 2. Then in the open Xperia Z1 settings click on "About mobile" into 3. Then we entered the "About mobile" interface as shown in the following figure 4. We move to the bottom, we will see the software version 5. Now we just click 3 times on the software version and click 3 consecutive times. 6. So the phone screen will prompt you to open the developer mode press the return key 7. Now we go back to the setup and we

1. Under the phone we found the A7 standby desktop "application."2. Below we click on the icon "set" below.3. If we do not see "about the device" slide with the finger to find about the device button.4 into the about the device we will see that there is a "build number" below, we only click 7 consecutive times, will prompt "developer mode is enabled."5. OK now we can click on the " Click the Developer option to open the entry, we will see the USB mod

1 in the Vivo xplay3s mobile phone application interface to find the "Settings" icon, click to enter after we find "system settings" and then go to find inside the "about the phone" (about the tablet) we now click on it to enter. 2 in the open about the mobile interface we find "version number" and then click 7 consecutive times, direct screen display after the prompts we then click the "Back" Settings menu interface to select "Developer Options" 3 OK now we go to the developer option and

); 252 if (buflen Request_bufflen) 253 corner stone> resid = Corner Stone> request_bufflen-buflen; 254} The main call is the usb_stor_access_xfer_buf () function, which also comes from the same file: drivers/usb/storage/protocol. c: 159 unsigned int usb_stor_access_xfer_buf (unsignedchar * buffer, 160 unsigned intbuflen, struct scsi_cmnd * sulfate, unsigned int * index, 161 unsigned int * offset, enum xfer_buf_dir) 162 { 163 unsignedi

1, first have to download a "U master---Disk start production tool." And then open, but we have to prepare a U disk, then we click on "one key to make USB boot disk." 2, pop-up prompt box, prompted important data backup, we click "OK" to start making USB boot disk. 3, the production of the startup disk will format the U disk, so if we have the data still have to back up, did not let it data fo

Including multiple USB flash drives. # Region USB device check start

It should be noted that the maximum package length of the mouse standard device is 4 bytes, not 8 bytes. Doesn't it mean that the package length sent by USB is a multiple of 8? Why is it 4? If you are using Microsoft's standard PC driver, you will find that when you move the scroll wheel for a long period of time, a left-click error occurs. The following is the descriptor data captured by the universal mouse through

1 We first click on the phone "settings"-"about" see it. 2 Now we click on the entry to the details interface, then find "software information" in the About and then click on it, then we find "version number" and then we click 5 consecutive times that will show "you are in the developer mode" 3 After this prompted our USB opened, we return to the phone's settings to find "developer Options" and then click into the "Developer Options" interface w

1. We click "Settings" in the phone and then click "About Mobile" to open the entry, details as follows 2. Then we click on 2 consecutive times version number 3. Then we click on until "Open developer Mode" as shown in the following figure. 4. Then we click on the settings and find "developer Options" as shown in the following figure 5. OK, we'll go to the phone's "Developer option" and check "USB debugging".

1.Oppo R3 Interface Click "Settings" into "General" and then open "about the phone", click "More". 2. Click on the "version number" in the Open Interface 4 times in a row, then we click "More" in the "normal" interface. 3. Click "Developer Options" to activate "USB debugging". Tips: The above open USB debugging mode can be used for all Oppo android4.1+ system smartphone Oh, but the number of differen

1 in vivo we open the desktop "settings" and then find "about the phone" we click on it to open. 2 in the "About mobile" page We found the "version number" continuous click, waiting for your screen display "You are in the developer mode, do not need to do this" can not stop clicking. 3 OK now we have USB turned on, I now go back to the phone desktop click "Settings" and then you will see a "developer option" then we click on "Developer Options"

1. Crap does not say that more than Samsung mobile phone access applications are on the desktop click "Application." 2. Click "Set" again in the mobile interface. 3. Then you will see a "General" after we click on it and then click on the following "about the device". 4. Then click the "build number" seven times into the interface until the prompt "developer mode is enabled". 5. Click on the " 6. OK now you will see that there is a "de

1 in the Mobile desktop Click "Settings" and then open the Open interface to click "Advanced Settings" to enter, as shown in the following figure. 2 then enter the "Advanced settings" you will see there is a "developer option" We click on the "Developer Option" will be entered into the phone-related interface will see a "USB debugging", now we open on it. Friendly Tips Hammer Phone Android 4.4 system, open with other Android system Oh, good art

1. This handset uses the Android 4.3 system, 2013 on the market, but the Samsung handset's setup interface all the same, we clicked "the application". 2. Here you will see a "set" click on it to enter. 3. Then we click on "General" as shown in the picture. 4. Then we click on the open interface of the "about device" entry. 5. After opening, you will see a "build number" with our fingers constantly clicking on th

1 we found in Tcl s720t "Settings" click to enter, as shown in the figure, and then in the settings list to find "about the phone" below the "version number" We use our fingers to connect click 4 times, as shown in the picture 2 waiting for the prompt to open the USB success, we go back to the phone's "settings", you will find a miracle happened, see the "Developer option", into the "developer option" can be opened, then you want to do what you do.

1. Click "Set" in the Note4 mobile interface and find the "more" inside, then there will be a "about the device" and then we'll click on it. 2. OK now after we get into "about the device" we will see "build Number" and then click on "Build Number" and then stop after "No need, developer mode enabled." 3. OK then we click "Settings" and you will see that there is a "developer option" Now we click on "Developer Options" to enter, the "USB debugging" t

1 We in the Millet 4C mobile phone We click on the desktop "settings" option, and then we click on it to open the entry effect as shown below Then, when we get to the setup, we find the "Other advanced Settings" open and click the "developer Options" effect as shown below, as shown in the details below Then we'll find "USB debugging" and then I'll find the following "OK" can be the effect is as follows All right, here we go. Abo

useless on the wrong road! We don't have to rush to proto_handler to see it first, but read the code outside. When we were young, we thought that the world outside was wonderful? We will skip proto_handler () and read the remaining code in usb_stor_control_thread () to fully understand how the daemon loops. Line 3: as long as the result of the preceding command is that the result of the port-> result is not DID_ABORT, the command is successfully executed. So we call the scsi_done function. R

Usb_stor_control_thread () is basically finished, but the following lines are the climax of the climax. The so-called Bulk-Only protocol for batch transmission. It is shown here. 371/* we amp; #39; vegotacommand, let amp; #39; sdoit! */37... Usb_stor_control_thread () is basically finished, but the following lines are the climax of the climax. The so-called Bulk-Only protocol for batch transmission. It is shown here. 371/* we 've got a command, let's do it! */ 372 else { 373 US_DEBUG (usb_