Storage problem of 70 mobile phone C disk

The mobile phone has four drive letters, which can be seen by opening it with a file management program. They are c, d, e and z.

Drive C, like drive C of Windows, is the place where Symbian OS is placed, so we need to reserve enough space for the operating system (such as storing temporary files generated when the software runs).

Note: There is no direct relationship between the remaining space of drive C and the memory of the mobile phone. The extreme example is that the C disk is full of mobile phones and can still run. The memory of a mobile phone is related to the software in which the memory resides, such as input method and theme background. When the phone is turned on, the memory will reside, and the running software and games will also occupy the memory. The way to increase dynamic memory is to reduce memory resident programs. With the task management software AppMan, it is convenient to check the memory status and close the process to release the memory.

Drive D is a cache, and the user cannot control it. Except for the three directories generated by the system, the files and directories created by users will disappear after the phone is restarted.

E-drive, a mini flash card, can be used to install software, games, mp3, video files, etc. After the new MINI card is formatted with a mobile phone, several default system directories will be automatically generated, some of which have implicit properties and can be viewed on the computer with a card reader (hide folders by looking at the year and open the "Show all files and folders" option of the file manager in the computer). Z disk is a solidified system disk of mobile phone, which is also beyond the control of users. When formatting the mobile phone, the system is restored, that is, it is automatically restored from the Z disk. Brush upgrade is to upgrade the system files of the disk by brush. Equivalent to the system backup recovery disk on the computer.

1, file structure on drive C:/system/data/applications.dat/backup files are in the order of menu, folder and software icon.

C:/system/data/alarmserver.ini/alarm clock setting file;

C:/system/data/GSM _ installation, operation and setup files of identity.qxc/Smart Cinema SmartMoviev V.

C:/system/data/IP _ config _ installation, operation and setup files of x2.sys/Smart Cinema SmartMoviev V.

C:/system/data/stacksrv05.db/smartcinema smartmovie v installation, operation and setup files.

C:/system/data/utility _ dump.dat/files for installing, operating and setting SmartMoviev V.

C:/system/apps/visual radio/radio stores the backup of radio files, and * * * 2 c:/data/installations/ is the installation directory of the software, which can be cleared. C:\ System \ Data \ Contact. Cdb is the same as c: \ system \ data \ cntmodel.ini \ addressbook.

C: \ system \ data \ scshortcourtine.ini \ standby mode c: \ system \ data \ MMS _ setting.dat \ MMS setting C: \ system \ data \ SMS rest.dat, smssegst.dat, SMS _ settings.dat \ SMS setting.

C:\system\data\cdbv3。 Dat\ connection setting c:\system\data\notepad. Datwap \ notepad c: \ system \ data \ bookmarks1.db \ bookmarks c: \ system \ data \ profiles \ scenario mode.

C:\ System \ Data \ Calendar \ Schedule

C: \ System \ Favorites \ Favorites

Note: these files can be moved to c/system/install\ in E: \ System \ Favorites to uninstall the files. All files in this directory (provided that the software is installed on drive C) can be deleted, but if they are deleted, they will be lost in the program management list. Only the corresponding directory under e\system\apps\ can be deleted directly.

C/system/install\install.log\ installation record file), to delete the installation record file, just delete some files.

Settings and archive files are located in the directory under c\system\apps. C:/system/dmgr, there are two folders in it, and each folder has a contents folder. These are some files (maybe videos, music, texts, etc. ) Usually downloaded from the Internet, you can empty it.

C: \ system \ data \ CBS \ cbtopicsmgs.dat \ are some information files set for operators, such as broadcast information and cell information, which can be cleared.

The files and folders generated under c:\sys\install\sisregistry\ (such as a00000eb\00000002_0000.ctl) are mostly files generated after programs and themes are copied to the card and then installed through file management.

C: \ preapcache.dat \ are mostly installation record files of themes and programs.

2. Analysis of Flash Card Directory (1)** Directory lists some important data, as follows:

Dictionary 10 109CFE software registration information, application resources, rsc file: 1003A3F \ Import \ Apps software installation file is backed up, and program management remains after some programs are deleted, so 10202dce Java program storage folder/kloc-0 is deleted. Theme storage folder on MIDlets card 10207 1 14\ Import Bounce MP3 ringtone editor 20000C 0f QuickMark 20004 FFE Java program 102033E6 MAIL2 SMS 1000484B Capsule 2000127/theme DIY 20004A 20 of Fice Suit Sheet 2002EEE.

2) Analysis of other directories

Everything in the sys\bin directory is an EXEcutable exe and a resource file in the resource\apps directory. This directory is a read-only folder where configuration files are stored after installing Data\mbook Pocket Academy. If the photo album can't be opened, you can delete umdrcnt.lst and mdstng, and then open Images Photo Storage Location Installs to store the installation files. MusicDownloads machine has its own browser to download music, all of which are stored here. Songs in MyMusic mode are stored here. Sound ringtone storage folder video animation storage folder resources \apps program text resources are stored here, most of which are rsc files. Help programs have their own help files stored here. Resource\ Plugins seems to be the place to put plug-ins. At present, only rsc file system \[ 102072c3] is unknown.

System\Install\RegistryJava program installation record file

After installing System\Apps\OperaOpera, opera.ini in the System\Data\Opera folder can adjust the cache size, and the cache4 directory is the cache directory.

Second, C disk cleaning skills-six methods to improve the running speed Regular cleaning of C disk garbage is a common method to improve the running speed of mobile phones. The following cleaning methods are applicable to N93:

1) file transfer method: first, allocate the information storage to the machine storage, and then see how big the memory of your machine is. Use other Bluetooth devices to send you a file larger than the memory of the machine until your mobile phone shows that the remaining space is insufficient, and the transmission will be automatically disconnected (when the mobile phone receives the file, the memory will be automatically emptied, and if it is not enough, the connection will be automatically disconnected). The memory of drive C will become larger.

2) Browsing cleaning method: use a random web browser (which takes up a lot of memory) to surf the Internet, open more web pages until it is indicated that there is not enough memory to open the web pages, then quit browsing and empty the cache.

3) Card replacement method: Only one SIM card is used, the running speed of the mobile phone will slow down, and it is necessary to clean up the junk files on the C drive ... The easiest way is to take the MINISD card, then change the SIM card and turn it on. After waiting for 3-5 minutes, turn off the phone and switch back to the original SIM card. In this way, the Series60 system will rewrite the data on the C drive and automatically clear the original useless files (some people say that this is not applicable to N93, which is wrong, and this method is applicable to all mobile phones). 4) Clean up temporary files: all temporary folders are temporary directories and can be emptied. The data directory installed on disk C is the installation directory of the software, which can be cleared. C:/system/dmgr, there are two folders in it, and each folder has a contents folder. These are some files (maybe videos, music, texts, etc. ) Usually downloaded from the Internet, you can empty it. Clear c: \ system \ data \ CBS \ cbtopicsmsgs.dat regularly, enter information-options-broadcast information, click options-column-delete all, and then select "Yes" to regularly clear SMS and call records and packet data (press the function key first->; My application-> Call record-> Packet data, just clear the packet data counter (lock code: 12345)! The cache folder is a cache directory, so it is recommended that you empty it regularly. There is a system.ini file in the system folder of drive C, which can be deleted. After deletion, the system will automatically generate this file to see if the generated file is much smaller than the file before you delete it.

5) calendar method to accelerate (theoretically can improve the startup speed), The method steps are as follows: Go first > Calendar > Options > New Calendar Item > To-Do Theme: Speed Scheduled Date: 29-0 1-2005(dd-mm-yy) Priority: Go after completion > Calendar > Options > New Calendar Item > To-Do Theme oukie Scheduled Date: 29-01. Don't analyze the principle of the important part: because the mobile phone needs to transfer all unfinished calendar transactions (from 1900-2 100) to the memory and display them on the desktop (theme scene) to remind the mobile phone owner of some unfinished matters, appointments and anniversaries. Therefore, the program will scan back from 2 100 to 1900, and traverse the calendar transactions in 200 years. Can you imagine how much system resources this will take up? Until a "completed" transaction is scanned, subsequent dates are considered as past dates, and scanning will not continue. Therefore, the last step of the original text: it must be set to "completed" to be effective. Because of this mechanism, when there are "completed" to-do items on the date set above, it will no longer display the to-do items before that date in the theme scene, thus saving system resources and using process management software to check and compare, and the available memory space will be much more than before setting. This is why this method can speed up.

6) Using the C key and the Hang-up key can improve the startup speed. The method is to press the C key or the Hang-up key when the handshake screen just appears when the mobile phone is started, which can directly enter the standby screen and improve the startup speed.

Third, it is inevitable to format mobile phones with smart phones. Grid machine is to format the ROM of the mobile phone, rewrite the preset data, and repair all files modified or added by users without authorization, so that the mobile phone is in the preset state when it leaves the factory. Grid machines often have two situations: one is that there are serious errors in the system, and the other is that too many programs are installed and deleted repeatedly, resulting in too many junk files on disk C and too little space to clean up. The lattice machine is a hassle, and it is annoying to reset the backup things, and so is the old lattice. After all, we have installed a lot of personal games and software, and it takes time and energy to reinstall them all. So it's not a serious system error, try to avoid formatting the phone. Only when there is an unknown error in the system and the cause of the error cannot be found (for example, the system always prompts to shut down, crash and make an error) does it need to be checked. It should be noted that everything should be loaded with E as much as possible, because the accumulation of C disk is also prone to errors.

1, troubleshooting, solving system errors, and avoiding errors caused by MINI card errors: when there is an error in the system, first make sure that it is not a C disk error (take out the MINI card, and the mobile phone is normal), then test the files of E disk into the computer, then format the MINI card with the computer or mobile phone (cell phone format is recommended), and then test the files back into the MINI card, which may solve the problem. The second is to use the troubleshooting method to determine whether it is the failure of the C disk or the E disk: according to the conventional troubleshooting method to determine the problem-changing the sim card, changing the battery, changing the flash memory card ... If the failure remains, it can generally be concluded that there is something wrong with the machine itself or the memory card. 3. Random self-startup software error: If the flash memory card is not detected when the mobile phone is turned on, it is set to random startup but the software installed in the card cannot be started, which will lead to the instability of the standby screen of the mobile phone, which is also one of the reasons for misjudging the system error. Many people format this, but it is not necessary. Therefore, if it is set to random soft key, it is recommended to install it on the C disk of the mobile phone. The fourth is the software installation and deletion error: not all cases that prompt "system error" need to format the phone. Sometimes, after we install a new software, we get a "system error" when we start running any program. After deleting this software, it is generally necessary to consider whether the newly deleted software has not been deleted. Because the software has been deleted, the original path cannot be found when the system starts, and a system error will occur. This can directly delete the startup path file, restart the machine, and the system will re-establish the startup file, that is, the system. INI file. However, some self-initiated software registration information is saved in this file, and you need to start the corresponding software again and register again. Besides, we can uninstall all the software first, and then see if there is a similar "system error"! If there is no similar "system error", then proceed to the grid machine! Fifth, the wrong settings cause the phone to fail to work normally: in this case, you don't need the grid at all, just restore the factory settings. The method is: enter *#7780# on the standby screen, which is equivalent to menu-Tools-Settings-Phone Settings-General-Factory Settings. Note that this command only restores settings, which is different from grids, business cards, pictures, documents, etc. After the above five methods are eliminated, if the mobile phone still has problems, it is often restarted and turned off, but it can't start or turn on the power, but it can't enter the standby state again, or the standby state is only on for a few seconds, and the mobile phone restarts itself repeatedly and then turns off, indicating that there is a serious problem, which generally requires troubleshooting. 2. Precautions before grid: A. Data backup before formatting: No matter how the grid is formatted, all mobile phone C drives are restored to the factory state, including your SMS and phone book, so you should keep the programs or other files you want to keep before formatting. Can be operated with a card reader. Determine the information to be backed up in advance, such as SMS, business card, calendar, installed software, etc. What should the grid machine back up? First of all, the more backups, the better, because you often back up the wrong location. So as long as I back up some business cards and other necessary things, my grid machine only backs up business cards and program classification files. Most users have changed the folder classification themselves in the menu. After the machine is completed, the classification of these folders no longer exists, and all of them are restored to the default. At this time, it is necessary to modify the classification again. But this folder list file is stored in c: \ system \ data \ applications. Dat file, so you just need to back it up to E disk and restore it after debugging. Of course, if you often listen to the radio on your mobile phone, you should make a good backup of the broadcast files (two files in c:/system/apps/VisualRadio), otherwise it will be troublesome to search for the radio after turning it off. In addition, if you like to watch TV on your mobile phone, you should back up the GGTV folder of disk C to avoid downloading TV programs again after downtime. B, keep the battery absolutely sufficient, and don't try to turn it off or plug in the charger on the way. Generally, soft cases are the first. C, after the grid machine, the software originally installed on the card will be affected, so under normal circumstances, the important information of the card will be backed up and reformatted, and all the programs saved in the E disk will be reinstalled after the phone is formatted. Although it is annoying, it is the best way.

3, the method of cell phone formatting

1). Soft box: Enter *#7370# on the mobile phone, and the mobile phone will prompt to restore all factory settings? The phone will restart. Select Yes, and then you will be asked to enter the lock code. The initial password is: 12345. If you change the phone password, it will be the changed password (not the SIM card password). After that, a white screen will appear, showing only the words NOKIA. After 2~3 minutes, the screen is completed and the time will be re-entered. It should be noted that there are some softwares (such as third-party fonts, screensavers, etc. ) to boot the e disk where the memory resides, and formatting in this way is invalid. Therefore, before the soft grid, all these softwares should be closed first, and then the Chinese font file can be successfully formatted by deleting them. Under normal circumstances, you can press and hold the pen key to enter the safe mode when starting the machine, so that you can operate in a clean system and avoid the influence of some software started from the machine.

2). Hard grid: Turn off the power first, press the dial key, "*" key and "3" key when turning on the computer, and then release the power until the word "NOKIA" appears (no key can be released during this process). Please wait a few seconds before releasing the above button. I started formatting. This formatting is thorough, and there will be no problem of invalid formatting. After a few minutes, the system is formatted and the phone automatically restarts to enter the standby screen. This method is generally used when the system is too chaotic to start. This format is thorough and there will be no problem of invalid format.

3). Press the * # power-off key to start the grid machine without any prompt.

4. Description of the format:

A, the most thorough formatting steps are: in program management, uninstall all the programs that can be uninstalled-take out the flash memory card-check whether there are system errors-format the mobile phone-install the flash memory card-format the flash memory card (at this time, the mobile phone is the purest basic system)-install the programs that need to be installed-restore the business card holder.

B. How to change the computer from English to Chinese: Go to Tools-Confirm (i.e. Settings)-Confirm (i.e. Mobile phone settings)-Confirm (i.e. normal)-Confirm (i.e. mobile phone display language)-Just select Simplified Chinese (enter key is OK).

C, lattice machine will not cause hardware damage to the mobile phone. The storage device of a mobile phone is different from the hard disk of a computer, and belongs to flash ROM. When in the grid, it simply writes superimposed data. There are no problems such as hard disk track partition. Some people say that the CPU is overloaded when the grid machine is running, which is even more harmonic. To put it bluntly, the lattice machine is as simple as turning it on and off.

D, the grid machine has little effect on saving the memory of disk C, and the memory occupation of disk C is only related to the number and use of installed software. In the process of using the software, some necessary related files or some mobile phone operation records will be left on the C disk, which will of course take up some space. E, the number of parallel machines will not lead to the failure of parallel machines. Many people say that the lattice machine is not qualified with more mobile phones, and most of the lattice machine failures are caused by its own fonts, which has nothing to do with the lattice machine itself. Lattice machine has no sequelae. It will not cause problems such as ringing or weakening the voice of incoming calls. F, after the lattice machine, you will find that some software can't be used, mainly because these software will leave files on the C disk during the installation process. When you format your phone, these files will be closed by the grid at the same time. You'd better reinstall these softwares. Of course, if you install Unmarkesis software (PC side), you can use Unmarkesis to unlock the software that can't run after the machine. Unmarkesis will list the different paths of sis format software in detail, find out the files left in the C drive, copy them to the card reader, and copy/paste them to the corresponding paths of the C drive with the file owner's mobile phone system tool, so that the original reloaded software can be reused.