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First of all, we need to find out what are called network upgrades, local upgrades, and firmware upgrades; what are the differences and advantages and disadvantages between them? Here's an introduction.
1. Firmware upgrade, upgrade package suffix is ​​bin, such as zy_rd9s00.bin, the size of 400 trillion to 600 trillion, can only be upgraded in USB2.0 via FAT32 format U disk;
Advantages: After the upgrade is a very clean system, all user information will be cleared, the equivalent of computer reinstall the system effect;
Disadvantages: The need for computer downloads, high requirements for U disk, operating errors may brush the system into a brick (in the upgrade suddenly power off, or unplug the U disk);
2. Local upgrade, upgrade package suffix is ​​zip, such as zy_rd9s00.zip, size 200 megabytes, through the FAT32 format U disk in USB2.0 upgrade; (note: the original designer said through any format U disk and USB2 .0 3.0 can be upgraded, but after my test, this often fails to upgrade, at least I use U disk is so, so we recommend that you try not to use)
Advantages: Only system parts will be upgraded, user data will not change;
Disadvantages: Some iterative upgrades, and third-party APKs will affect the new system compatibility, there will be some strange problems;
For example, Bluetooth false connection;
3 network upgrade, through the network download method, the local upgrade zip package to the system cache to upgrade;
Advantages: simple operation, no additional computer download;
Disadvantages: the same as the local upgrade;
In summary, the general new upgrade package comes out, the recommended upgrade sequence is, the network upgrade, if it fails, then the local upgrade, if there is a strange problem, then the firmware upgrade, I will mainly introduce the upgrade process: 
1. First prepare a U disk (good quality), insert the computer for formatting operation, format the file system FAT32, the allocation unit size to select the default configuration size (key, otherwise it may cause the brush machine to fail), format After the completion of the U disk properties open to confirm the file system is FAT32; 
2. Copy the downloaded firmware package to the root directory of the U disk (ie, open the first level directory of the U disk, do not enter any folder), check the file name and suffix for errors, and check the U disk from the error. Unplug the computer, the follow-up steps will not be used on the computer: 
3. Insert the U disk with the firmware package just copied into the USB2.0 port on the back of the projector (white socket) to turn on the power of the projector. 
4. After the projector is turned on, use the remote controller to move the cursor to the setup menu, open the setup interface 
5. Select System Upgrade and click Open to enter the lower interface 
6. Select system upgrade option to open 
7. After you open it, you will see that there are network upgrades, local upgrades, firmware upgrades, these three options; (this time to local upgrade as an example, the firmware upgrade operation method is the same) 
8. Click on the local upgrade will enter the above interface, if there is no upgrade package in the U disk or the upgrade package name does not appear on the button below the exit; 
If the system detects the correct upgrade package, the button below will change to upgrade immediately 
Click on the upgrade immediately after the bottom left will appear the current progress of 1% --- 100% progress (many upgrade failures are reflected here, if the following shows detection errors or other information, please replace the U disk or re-download upgrade package) 
9. When the above progress reaches 100%, the system will automatically restart to enter this upgrade screen (ideal at this time the system can not be powered off and remove the U disk), after entering this screen, do not perform any operation on the machine until the machine is finished brushing After the machine will automatically shut down and enter the standby state; 
10. Wait a few seconds after the system shuts down automatically. Press the power button to boot. The first time you enter the system, it will be slow. Please wait patiently. 
After the boot is complete, enter the settings - system upgrade - system upgrade - system information, to see if it is the version of the system you need to upgrade;
So far, even if the system upgrade is completed, start to experience it! ! I wish you all a good time. Thank you!
Swiss Watch T18 Upgrade Firmware Package Portal
[Graphic Tutorials] Swiss Vision T18 Brush
T18 has been used for almost one month. From the very beginning to the present, thanks to the help of everyone in the Q group. Thanks to the designers and Zhimai for their guidance. Now for the T18, it is basically understood. The principle of helping each other, is now a summary of the T18 brush machine flow method, for a friend to start a reference later; (Special reminder: It is strictly prohibited to modify the name of the firmware package to upgrade the firmware should not belong to their own platform, such as Zy_rd9a00.bin (T16S firmware package), modified to zy_rd9s00.bin (T18 firmware package) to upgrade the T18 machine, this will cause serious hardware problems, and even burn the hardware, causing irreparable problems; Brush risk, upgrade please be cautious !!!)