When I back up my N81 phone, I can t back it up because of insufficient internal space on my phone,

- Don't put it in the C drive when you install the software that is not very important in the future, you have to clean up the c disk junk file on time, your 81 is cracked, if it is completely cracked, you can follow the following methods, Qingli c disk things, but you must be careful to look at the file, don't delete the wrong one, the consequences of the deletion are very serious, hehe.

1. Delete the SIP in the root directory of the C drive, and delete it regularly if it is generated by Fetion;

2. Delete C: Private (left and right, absolutely deletable, network seniors guide);

3. Delete C: Private 1020735b (temporary files, all yes, delete regularly);

4. Delete C: Cache (temporary files, delete regularly);

5. Delete the contents folder in C: System DMGR;

6. Delete C: Data Lifeblog textindex Note: You need to change the folder name first).

In addition, usage habits: (1) Please set the storage used by messages to a card (or mass storage).

2) Camera**, "Screenshot" software set to the card (or mass memory).

3) Unless required, do not install the software on the C drive (mobile phone).

If you find it troublesome, you can directly check the machine as simple as this, but after the grid machine, the personal data is gone, but the grid machine should be carefully considered.

SMS backup TX isn't just out of a software you don't see when you get on the phone QQ is you can back up things you can copy text messages directly in the memory card.

I'm tired of it, and if you don't understand it, ask me.

Back up again, and clean up the junk when the backup is complete. The backup can be stored permanently with "War Dragon Contacts", which can back up contacts and text messages.

First, the storage space itself is insufficient, and data backup cannot be carried out; Second, the backup program is wrong; Third, the storage space is large and slow, and the error is disturbed when reading; Fourth, mobile phone hardware problems.

There is a lack of storage space and cannot be backed up. If the data file is backed up due to missing a search, it is larger than the remaining space on the phone, and the system will prompt. Otherwise, back up the data.

If it is incomplete, it may be missed, which will cause the back-up data to be unusable and corrupted.

Insufficient space does not allow backup, mainly for data integrity and security considerations. The system makes limits out.

Connect your phone to the computer and try to go down with data recovery software, remember that 360 has it.

The phone C drive is full, and the best thing to do is to format the phone by backing up the necessary files.

The phone itself can back up the address book (**Ben - Mark All - copy to the memory card. Then under the other folder of the memory card is **Ben.。 ）

Or QQ Sync Assistant can also be backed up. Text messages can be backed up.

I haven't used the N81, but Nokia has used other models that provide the methods I know

1.Isn't there a 360 guard、Security housekeeper、XPLORE manager or something software (personally recommended360Guard),It can be used to clean up some junk files and software,But when you use X Manager,It's best to go online or ask in the Symbian forum,Because the things of the C disk must not be deleted messily!! Otherwise, it will affect the use of the mobile phone!!

A lot of stuff is systematic, unless you know which ones you can clean up for sure.

There is a clearing history function in the browser toolbar to clear browsing history cookies, and it is usually cleaned regularly.

3.Settings - Program Management - Installed programs, where software can be uninstalled.

4.The next time you install new software, remember to try to install the software on the E drive of the memory card, not the C drive of the phone's memory, which can save the space of the phone itself.

Isn't it possible to look at the storage details of the disk to see what exactly is taking up your storage space, so that you can delete some junk files or software in a targeted manner.

Just clear your messages and MMS, as well as cookies from your browsing history.

Backup! Format it or *7780 soft-space it.

It should be that you set the wrong storage location.

Delete all the useless ones or buy a memory card.

It is estimated that it was poisoned, and it was poisoned.

Before the next time, you can use LeSync to back up your important data such as your phone's business card holder, call logs, and text messages to the cloud, and the backup and recovery operations are very simple.

Software conflicts from the new format and then factory reset to wake up.

The function of this folder is: when you put the software installation package APK you need to install into it, the next time you finish flashing the firmware, the machine will install this folder together by default, if not, create a new folder in the SD card, named AutoinstallApk on it.

Backups are generally automatically hidden, and you set them to show hidden files to see.

1 All can be formatted.

Copy all the card holders to the SIM card.

If you have another phone, you should be able to use Bluetooth.

It's best to be grid.,If you think you're not too full, then it's possible to be poisoned.,It's best not to install any security housekeeper for normal use of the phone.,Anti-virus and the like.。