IOS system file details

Delete the iPad or iPhone directory/private/var/keychains/keychain-2.db file and restart the iPad or iPhone.

 

 

 

1. How to uninstall built-in software?
First, jailbreak is required. After jailbreak, use the 91 mobile assistant to open the iPhone mobile phone directory (click File Management on the 91 page) and find all the iPhone software directories under the/applications directory, delete unnecessary software directories and restart the mobile phone to uninstall the software.

2. How to reject incoming calls urgently?
In the iPhone lock status, double-click the power key.

3. What if the iPhone cannot connect to iTunes?
Delete the itunes_control folder under the/var/mobile/Media Directory and restart the iPhone.

4. Clear the iPhone password and lock code (used when you forget the boot password and lock screen password ).
Delete the phone directory/private/var/keychains/keychain-2.db file and restart the iPhone.

5. How do I delete the 91 PC suit daemon?
(1) Delete the file tqserver in usr/bin.
(2) Delete the nddaemon directory under var/root/Media
(3) Delete/system/library/launchdaemons/net. riverdark. iPhone. tqdaemon. plist
(4) restart the iPhone

6. How can I use the iPhone as a 3G wireless network card to access the computer?
(1) Insert a 3g sim card to the iPhone
(2) Open your mobile phone and connect to the USB data cable
(3) settings-General-Network-set network sharing-open network sharing-only USB links
(4) long wait, waiting for the computer to recognize new USB devices
(5) After the connection is complete, the words "shared network" appear on the mobile phone, you can start to use your computer to access the Internet!

7. What should I do if the iPhone is no longer connected to cydia?
(1) Open the 91 Assistant
(2) Select Program Management
(3) Click cydia Source
(4) You can add sources, download programs, and so on.
(5) enter the required program name in the upper-right corner. The system will automatically search for the desired program name and download it after finding it (confirm that the computer is connected to the network)

1: cydia.xsellize.com
2: app.weiphone.com/cydia/
3: www.sinfuliphonerepo.com
4: repo.beyoip.com
5: cydia. hackulo. US/
6: www.mcleaner.com/iphone/cydia
7: www.iyunsoft.com/cydia/
8: www.isj100.com/cydia/
9: kuaidial.goodlecode.com/svn/deb/
Http://cydia.myrepospace.com/fernas
New Source of http://apt.weiphone.com/cydia/ Weifeng Network (currently in test phase)

Http://app.weiphone.com/cydia/ original Weifeng network source

Http://apt.weiphone.com/cydia/saurik saurik is the source of major cydia

Http://apt.weiphone.com/cydia/bigboss's famous bigboss source Image

Http://apt.weiphone.com/cydia/ispazio's famous ispazio source Image

Http://apt.weiphone.com/cydia/zodttd's famous zodttd source Image

Http://apt.weiphone.com/cydia/modmyi famous modmyi source Image

8. Why do I need to install OpenSSL when I install many software?
This program can search and download the latest version on cydia!

9. How can I use cmwap to access the Internet on the iPhone?
(1) jailbreak first. After jailbreak, download "preferences.rar" in the attachment area"
(2) decompress "preferences.rar" to obtain the "preferences. List" file (this file is a xxcmwap file)
(3) Transfer the file to the mobile phone directory // Private/var/preferences/systemconfiguration/replace the original file (User: Root permission: 777)
(Back up the original preferences. list file)
(4) settings-General-Network-Cellular Data Network-APN: Other cmwap fields are not required
(5) You can use cmwap to access the Internet.

10. How does the iPhone use cmwap to receive MMs?
Note: you do not need to modify the plug-in card for users of China Unicom.
(1) first, see "9. How to Use cmwap to access the Internet on the iPhone? "Xxcmwap
(2) settings-General-Network-Cellular Data Network-MMS settings are as follows:
APN: cmwap
Mmsc: mmsc.monternet.com
MMS daili: 10.0.0.172: 80
The maximum information capacity of MMS is 50000.
(3) restart your phone.
IPhone mobile phone file directory introduction:
(Post in the following content)

1. [/applications]
Installation Directory of Common Software

2. [/private/var/mobile/Media/iPhone video recorder]
IPhone video recorder video file storage directory

3. [/private/var/mobile/Media/dcim]
Storage directory of photo files taken by cameras

4. [/private/var/mobile/Media/itunes_control/music]
The multimedia files uploaded by iTunes (such as MP3 and MP4) are stored in directories. The files are not modified, but the file name is changed. You can directly download them to your computer to read them.

5. [/private/var/root/Media/eBooks]
Pandatv reading directory

6. [/library/ringtones]
Storage directory of incoming call ringtones that comes with the system (convert the file to ACC file using iTunes, change the extension name to. m4r, and upload it to/library/ringtones using iphone_pc_suite)

7. [/system/library/Audio/uisounds]
Text message note other system default effect ringtones (m4r ringtone file changed to. CAF extension) text message ringtone file name is a caf file starting with SMS-converted ed

8. [/private/var/mobile/library/addressbook]
Directory for storing the system phone book
[/Private/var/mobile/library/SMS]
SMS storage directory

9. [/private/var/mobile/Media/iPhone Recorder]
IPhone recorder recording software file storage directory

10. [/applications/preferences. APP/zh_cn.lproj]
Chinese-Simplified file storage directory of the software preferences. app

11. [/library/wallpaper]
Directory for storing system q1ang paper

12. [/system/library/Audio/uisounds]
Storage directory of system sound files

13. [/private/var/root/Media/pxl]
Ibrickr uploads a database created by the installer, which is estimated to be similar to the Windows uninstall record.

14. [/bin]
Similar to the Linux system, it is the directory where the system executes commands.

15. [/private/var/mobile/library/SMS]
System text message storage directory

16. [/private/var/run]
Temporary directory for running system processes? (View all processes started by the system)

17. [/private/var/logs/crashreporter]
System error message
Special icon storage directory introduction:
(Post the following content)

Charging icon:
System/library/coreservices/Springboard. APP/batterybg_1.png until batterybg_17.png, batteryfill.png

18 icons for charging

Cell phone signal icon:
Systemlibrarycoreservicesspringboard.app ulult_0_bars.pngto ult_5_bars.png and fso_0_bars.png--fso_5_bars.png
10 icons are signal icons

WiFi signal icon:
Bytes

The eight icons are WiFi signal icons.

Edge signal icon:
Systemlibrarycoreservicesspringboard. app default_edge_on.pngand fso_edge_on.png
The two icons are edge signal icons.

Date beautification icon:
Systemlibrarycoreservicesspringboard. app | fso_lockicon.png

Icon of the standby PLAYER:
Systemlibrarycoreservicesspringboard. app | nexttrack.png, pause.png, play.png, prevtrack.png
The four icons are the standby player icons.

IPod playback signal icon:
Systemlibrarycoreservicesspringboard.appfso_play.png, default_play.png

Alarm signal icon:
Systemlibrarycoreservicesspringboard.appdefault_alarmclock.png, fso_alarmclock.png

Vibration icon:
Systemlibrarycoreservicesspringboard.appsilent.png, hud.png, ring.png

Slider icon:
Systemlibraryprivateframeworkstelephonyui. Framework directory:
Bottombarknobgray.png (unlock slider icon on standby)
Bottombarknobgreen.png (move and slide in standby mode to answer the slider icon)
Bottombarknobred.png (shutdown slider icon)

Standby Time Font:
/System/library/fonts/Cache/lockclock. TTF

Standby time background:
System/library/frameworks/uikit. Framework/other. Artwork

The slider text turns into a flashing word:
Systemlibraryprivateframeworkstelephonyui. Framework/bottombarlocktextmask.png

Unlock slide path:
Systemlibraryprivateframeworkstelephonyui. Framework/opbarbkgnd.png, bottombarbkgndlock.png

Slider text path:
/System/library/coreservices/Springboard. APP/zh_cn.lproj

Mobile:
The color change file name is default_carrier_chinamobile.png.
Change the name of the black/white file to fso_carrier_chinamobile.png.
China Unicom:
The color change file name is default_carrier_chinaunicom.png.
Change the name of the black/white file to fso_carrier_chinaunicom.png.

IPhone special file directory introduction:
(Post the following content)

1. [/private/var/mobile]
For the newly refreshed machine, you need to create a file directory under this folder.

2. [/private/var/mobile/applications]
Apps installed through appstore and iTunes are included.

3. [/private/var/stash] iPhone 4 cannot be used.
The applications directory in this folder contains all the programs installed through cydia and App. The ringtones directory contains all the phone ringtones, and the self-made ringtones can be copied directly to it, the themes directory contains all winterboard topics that can be manually modified.

4. [/var/mobile/Media/ROMs/GBA]
The directory where the gpsphone simulator stores the Rom.

5. [/var/mobile/Media/textreader]
Storage path of the ebook read by the textreader reading software.

6. [/system/library/fonts/cache]
System font directory. The font to be replaced is stored in this directory, and the permission is 644 unchanged.

7. [/private/var/mobile/Media/maps]
Offline map directory, put the map folder under this directory, and grant 777 permissions to the folder

8. [/private/var/mobile/library/downloads]
IPA file storage directory, installed with installous

9. [/private/var/mobile/library/Keyboard]
System pinyin Font File Location

10. [/var/stash/themes. xxxxxx] iPhone 4 cannot be used.
Winterboard topic file storage path

11. [/private/var/mobile/Media/dcim/999apple]
Built-in screenshot file storage path
I. Process Optimization:
(The following content is transferred from qimengwei's post)

It is best to use winscp to optimize memory operations. You can also use 91 mobile assistant.
The startup programs of these background processes are stored in
The [. plist] files under the [/system/library/launchdaemon] Directory. The simplest way to start these processes is to delete the corresponding [. plist] file.
Backup is required first, just in case! You can create a backup directory under/private/var/on your iPhone or iPod, and then delete the directory 【. plist files are directly cut and stored in the backup directory using ifile, or the entire [/system/library/launchdaemon] Directory is backed up directly!

Processes that can be safely deleted:
1. com. Apple. dumppanic. plist-this is what Apple uses to evaluate system crashes and is completely unnecessary.

2. com. Apple. dumpbasebandcrash. plist-this is what Apple uses for Apple baseband crash and does not need to run.

3. reportcrash-five ". plist" files with "reportcrash" are used to collect information about system or system program crashes, which is useless.

4. com. Apple. crashhousekeeping. plist-is also related to program crash and can be deleted.

5. com. Apple. powerlog. plist-used to monitor third-party incompatible chargers, which can be deleted.

6. com. Apple. tcpdump. server. plist-it seems to be used to store network data. It is not clear, but it does not affect the device after deletion.

7.com. apple. chud. chum. plist-this process should be related to Apple's CHUD tool (computer hardware protocol development/computerhardware understanding Developer ). if you are not a software developer, you do not need to start this process.

8. com. apple. chud. pilotfish. plist-is also a process related to the Apple CHUD tool. if you do not develop Apple software, you can delete this. process with a little caution-some users can disable the following processes.

Optional deletion:
1. com. Apple. addressbook. plist-if this process is not started, the loading speed of the address book on the phone will be slightly slower. If you don't mind this, you can delete this process.

2. com. apple. accessoryd. plist-if you do not start this process, some auxiliary device functions will be disabled, such as FM radio, iPhone landline, and AV data lines. of course, even if you disable this process, you can still use the iPhone to charge, but you can only have the charging function.

3. com. Apple. dataaccess. dataaccessd. plist-if this process is disabled, it cannot be synchronized through exchange or Google.

4. com. apple. datamigrator. plist-the role of this process is to transfer contacts from your SIM card to your iPhone. iPod users do not need to start it. although I am an iPhone, I didn't start it because I never saved contacts in the SIM card.

5. com. Apple. racoon. plist-this is the process required by the VPN. If you do not need vpndaili, you do not need to start it.

6. com. Apple *** leinternetsharing. plist-this is a network sharing function. iPod users can delete it. iPhone users can check whether they need network sharing. In fact, it does not work.

7. com. apple. aggregated. plist-this should be related to "audio input. this process is not required for the first-generation iPod. the second-generation iPod can be determined based on your own needs. iPhone users need this process.

8. com. Apple. aosnotification. plist-this is used for synchronization with mobileme. People who do not need mobileme do not need it at all.

9.com. apple. adminlite. plist-the role of this process is: when a program starts or reacts for a long time, the iPhone or iPod will automatically terminate the program (I .e., cause the program to crash ), this transfers control to you. if you do not want to see program crashes frequently, you can close the process. But the result is that when a program is started or slow to respond, you have to wait for a while. it is generally not recommended to close this process.

10. com. saurik. cydia. startup. plist-processes generated after cydia installation should be used to automatically install Deb software. in fact, you can disable it. I prefer to use mobileterminal to install Deb software.

Ii. Service optimization:
(The following content is transferred from whitne 91. The content is for me)
4.01 Address Book solution (including English names)
Set -- General -- multi-language environment -- change the language to English, then the region format is China, and then change the multi-language environment language to Chinese.

After xx or some applications are installed, the response is slow, slow, or quit without reason. This is because the running memory is insufficient. The following tutorial can solve this problem.
Steps:
(1) first, we need to install bossprefs. Please download the latest version from cydia.
(2) download some service switch plug-ins
(3) install bossprefs.
(4) Upload seven files in SVRS to the/private/var/stash/applications. xxxxxx/bossprefs. APP/services/folder. (User: Root permission: 777)
(Note: It is to upload 7 files in SVRS, rather than uploading the SVRS folder !)
(5) Run bossprefs to view all services on your mobile phone. You can enable or disable the above services as needed without restarting the iPhone. The effect is equivalent to that of the Windows Service Manager. When you disable any of the above services in bossprefs, the service is immediately disabled from the memory and the occupied memory is released. When you select to open the service, the service is started immediately.
(6) Some service explanations and suggestions:
Most of the services should be clearly understood. Let me talk about the important services.
Fairplaydsvr: The fairplayd service occupies 17 MB of memory. (Note: This cannot be disabled; otherwise, some programs cannot run !)

Syslogdsvr: iPhone Log service, occupying 13 MB of memory; (you can disable it !)
Updatesvr: iPhone Update Service, occupying 12 Mb of memory; (you can disable it !)
Wiki2touchsvr: Wiki service, which occupies 20 mb of memory. (Close !)
The above services can be turned off at ordinary times. To use the services, you only need to start the corresponding services in bossprefs without restarting the mobile phone.