ZTE Blade A521 Bruksanvisning

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秘密Confidential▲

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以上所有信息均为中兴通讯股份有限公司所有，不得外传

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ZTEBLADEA521UpgradeGuide(ThroughSDCard)

1.Cautions

Thesoftwareversionandpicturesinthisdocumentarejustforreference

only.PleaseuseZTEhandsetsupportwebsiteprovidedversiontodownload

software.

1)Downloadtheupgradepackage.

Openhttp://www.ztedevice.com.cn/supportanddownloadtheupgrade

package(update.zip)thatmatchesyourphonemodel.Ifthedownloaded

packageisnot,unzipthepackagetoobtainit.update.zip

EnsurethatyourmicroSDcardisatleast2GB.

NotePleaserefertoourcurrentversiondownloadsize：.

2)RemovetheSIMcardbeforeupgrade.

3)BackupyourdataandAPPsinyourphonebeforeupgrade.Youcanusethird-part

backupapps.

4)VerifythatthefileintherootdirectoryoftheSDcardmatchestheupdate.zip

modelofthephone.Donotmodifythefilenameandextensionnameofthefiles

intheupgradepackage.

5)Verifythatyourphonehasenough(atleast40%)power.Chargethephoneif

required.Toavoiddatalostorupgradefailure,itisnotrecommendedtoupgrade

yourphonethroughanSDcardwhenthephoneisbeingcharged.

6)Youshouldnotperformanyotheroperationonthephoneduringtheupgrade

process.

7)Anormalupgradeshouldbecompletedinabout4minutes.Ifitfails,pleasetry

again.Anyquestionyoucancontacttheafter-salecentertogetsupport.

2.Updatefromsystem

1)DownloadtheupgradepackagethatmatchesthephonemodelfromZTE

officialwebsite(http://www.ztedevice.com.cn/support/),extractupdate.zip

Produktspecifikationer