Clear junk data on drive C of mobile phone

Simple and practical method for clearing junk files on drive C:

Take out the SIM card and mmccard used by the mobile phone (Note: Shut down), change the SIM card to another one, and then start the instance (in full power). Wait for about two or three minutes to shut down, switch back to the original SIM card and mmccard !! I can use this method to free up k of valuable C disk space at a time, that is, k more space for C disk !! Principle: each time you change a different SIM card, the Nokia series60 system will rewrite the data on the C disk once, so that the useless files are automatically cleared.

I believe that many of my friends will feel that they have been using their smartphones for a long time, and the speed of reading cards will become much slower in the future. Some friends may even be unable to read cards, but it is no problem to put them on the card reader, some people think that the system has a problem. in fact, there is also a reason for the mmccard. how can this problem be solved?

You can try the built-in Windows System Tool-fragment, put MMC into the card reader, insert it into the USB port of the computer, right-click "removable disk", select properties, and click the "Tools" tab, click the "fragment" button to enter the Windows fragment program. click the start sort button. As the progress bar moves, the system starts to analyze and organize the disk.

After finishing the sorting, remove the USB device and unplug the MMC and mount it to the mobile phone to see if the card reading speed is fast? At the same time, you can try mmccard problems.

Drive C is slim, making your mobile phone faster

① Drive C is the "hub" of the Symbian storage system. Keeping drive C clean is a problem that every machine user has to face. The software should be installed on the memory card as much as possible, and the green version of MMC is the best. And regularly use the appman "installation" function to delete the legacy
Useless files (waste bin icon ).

② Change the information storage location to the memory card, and the system will prompt to copy the information of drive C to the card. The method is to enter: information-select-set-others, and change "in-use storage" to the memory card. C: \ System \ mail directory can be cleared.
But the premise is that there are no important text messages! In addition, you can go to "my Folders"-"frequently-used text messages" to delete them all, not to mention that you will not delete them!

③ After editing the name folder, you must use contactsmanager's "compress the name folder" function to minimize the number of C: \ System \ data \ contacts. CDB files.

④ Add as few icons as possible in "Shortcuts"; otherwise, the c: \ System \ favorites directory will occupy a lot of space. Although the shortcut can be moved to the Elastic Block Storage (edisk), the modification is troublesome. In fact, if the "menu" is well organized,
The average number of buttons for starting a program is less than the "shortcut", and the speed is faster.

⑤ Communication records are saved for 10 days by default, which can be changed to one day or manually deleted. GPRS records should also be deleted regularly. C: \ System \ data \ logdbu. dat records the communication records, including the GPRS traffic information of the phone.
But this file cannot be deleted. If you delete it, it will tell you that it is "in use" and cannot be deleted! The correct method is to regularly clear the communication records and time. This is always the case.

⑥ Calendar items (appointment, memo, anniversary) occupy disk C space. You should regularly delete unused calendar items. Delete unnecessary to-do items on a regular basis, and try not to use a laptop to protect notes on drive C. You can use a third-party tool.
(For example, yedut v2.56, I have been using it for a long time and it is easy to use .) To the memory card. Single-key dialing, device management, chat, and other internal setting tools will also save data to the C disk, which needs to be sorted regularly or used as little as possible.

7. If you do not need a third-party input method, the c: \ System \ FEP directory can be deleted. If you want to use the method, you can still put it on the drive C to save power consumption.

Use the third-party extreme memory font and extreme topic package! In particular, the third-party extreme memory font must be installed! Not only can he lose weight, but the C drive is about 500 K, which is required by most software; otherwise, there will be a mouth.

Finally, the useless file of drive C is deleted manually, as shown below:
Note: C: \ system is equivalent to a mix of c: \ windows and c: \ Program Files in windows! Therefore, before deleting a file, you 'd better use tools such as fileman to cut it out and put it on the edisk,
To prevent unexpected events, it is not too late to delete the useless items.
C: \ Nokia can be completely deleted without affecting usage. However, after deletion, the system will prompt a failure when installing software and Games through the PC package!
The c: \ System \ apps \ applnst \ appinst. ini file is used to record the information of software installation, which increases with the increase of software installation. Useless, delete!
C: \ System \ app most of them are software game archives, passwords, and other information (of course, the question is that you have installed all the software games on the edisk !), In total, it's just a few K and a dozen K. If I delete it, it's too bad, right?
And the software may not run normally!
C: \ tempfiles in general, the temp-led stuff related to temp or TMP can be deleted. do win old birds know? It's a temporary folder! Useless, delete!
C: \ System \ backup. xml 5.84 K can be deleted and there will be no sequelae if you look at the name alone! Useless, delete!
C: \ System \ capability: I don't know anything, 0 kb, delete!
C: \ System \ favouriter, you can see the name is a favorites, s60, this folder records the shortcut of each software in the shortcut, If you do according to 4, can be completely deleted.
You can also transfer it to the same directory folder on the edisk and delete it!
C: \ System \ install is a software anti-installation program, provided that you install the software on the C drive! If the path you select when installing the software is an edisk, the reverse installation program of this software will appear in the same directory of the edisk!
Delete it. No one will waste valuable space on drive C! And there will never be any sequelae!
The c: \ System \ MTM \ folder contains some data called with Rom. It will be invalid after startup. Delete it, but it will be generated automatically when it is restarted!
C: \ System \ schedules to-do list stores data. If you have done this by following step 6, delete it!
C: \ System \ shareddata \ Folder my deletion method is: Use fileman to enter c: \ System \, and then select Delete this file, he will prompt that some files "in use" cannot be deleted. You choose "Ignore ",
When a prompt says "cannot be deleted", you can select "Ignore". In this way, you can make up some space. Even troublesome comrades can simply reserve the most space. bind File K, size 64 K!
C: \ System \ skins I really don't know the meaning of this folder. After changing the topic mode or starting the system, it will be self-built, but deleting it has no side effects... it's very bright! Delete!
C: \ System \ mail: If you save the text message to the edisk according to ②, delete it.
C: \ System \ system. ini doesn't know anything. It's useless. Delete it!
Some backup documents in the C: \ System \ data \ folder can be viewed and deleted:
C: \ System \ data \ apparc. DB file, which can be deleted.
C: \ System \ data \ profiles is configured in the context mode. Generally, the "standard" is configured as the profile0.dat file. delete all the other files! It is not recommended, especially for students like me, to keep the configuration file in the silent mode:
Profile1.dat
C: \ System \ data \ CBS \ contains only two files, and cbtopicsmsgs. dat is very big. It seems that there was a prawn mentioned before, and the cbtopicsmsgs. dat can be deleted after it is renamed, but I tell you that it is impossible,
Because you delete it, he will tell you that it is "in use" and cannot be deleted! The correct method is: enter information-options-broadcast information, open option-topic-delete all, select "yes", and finally "Unsubscribe. Let's take a look,
Is it much smaller (at least 500 k ).
In addition, the role of some files in the data folder is as follows.
C: \ System \ codecs is a decoder component attached to smart cinema. It cannot be played after it is deleted !! Do not delete it !!
C: \ System \ data \ contacts. CDB and cntmodel. ini Address Book backup!
C: \ System \ data \ applications. dat. If you create a file in the menu, there will be a record!
C: \ System \ data \ scshortcutengine. ini standby mode!
C: \ System \ data \ mms_setting.dat MMS settings!
C: \ System \ data \ smsreast. dat, smssegst. dat, sms_settings.dat SMS settings!
C: \ System \ data \ alarmserver. lnl alarm settings!
C: \ System \ data \ cdbv3.dat connection settings!
C: \ System \ data \ cacertts. dat install various software certificates!
C: \ System \ data \ notepad. dat WAP notepad!
C: \ System \ data \ bookmarks1.db bookmarks, WAP record address!
C: \ System \ data \ applications. dat after the application and game are installed, the data will be recorded here. The specific role is unknown!
C: \ System \ data \ profiles scenario!
C: \ System \ data \ calendar!
My c drive has five folders: Apps bootdata data fonts (which is generated on drive C after the third-party extreme memory font is installed) shareddata codecs (decoder component attached to smart cinema, for more information, see Delete ......

The supervisor has installed several psiloc software. They will leave files such as MDM on drive C, occupying a large amount of space. After deleting the program, you need to manually delete these files. Pay special attention to this.
Psiloc series software cannot be mixed with the new and old versions. If there is no cracked version, it is best not to install it. If the cracked version has been installed and is still very useful, I think there is no need to update the new version; because after the updated version is installed,
The original serial number may be unavailable, and the old version cannot be installed after uninstallation. The software interface cannot be accessed, because even after uninstallation, its registration information remains in the system, so we have to spend a lot of effort to stay in the system.
The registration information is deleted, and the company's confidentiality measures are taken. The software is good, but such confidentiality measures ......
Finally, there is a connection between deletion and backup. For example, the object usage in the attached data folder can also be used for backup!