ZTE N9120 manual

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A good user manual

The rules should oblige the seller to give the purchaser an operating instrucion of ZTE N9120, along with an item. The lack of an instruction or false information given to customer shall constitute grounds to apply for a complaint because of nonconformity of goods with the contract. In accordance with the law, a customer can receive an instruction in non-paper form; lately graphic and electronic forms of the manuals, as well as instructional videos have been majorly used. A necessary precondition for this is the unmistakable, legible character of an instruction.

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The term originates from the Latin word „instructio”, which means organizing. Therefore, in an instruction of ZTE N9120 one could find a process description. An instruction's purpose is to teach, to ease the start-up and an item's use or performance of certain activities. An instruction is a compilation of information about an item/a service, it is a clue.

Unfortunately, only a few customers devote their time to read an instruction of ZTE N9120. A good user manual introduces us to a number of additional functionalities of the purchased item, and also helps us to avoid the formation of most of the defects.

What should a perfect user manual contain?

First and foremost, an user manual of ZTE N9120 should contain:
- informations concerning technical data of ZTE N9120
- name of the manufacturer and a year of construction of the ZTE N9120 item
- rules of operation, control and maintenance of the ZTE N9120 item
- safety signs and mark certificates which confirm compatibility with appropriate standards

Why don't we read the manuals?

Usually it results from the lack of time and certainty about functionalities of purchased items. Unfortunately, networking and start-up of ZTE N9120 alone are not enough. An instruction contains a number of clues concerning respective functionalities, safety rules, maintenance methods (what means should be used), eventual defects of ZTE N9120, and methods of problem resolution. Eventually, when one still can't find the answer to his problems, he will be directed to the ZTE service. Lately animated manuals and instructional videos are quite popular among customers. These kinds of user manuals are effective; they assure that a customer will familiarize himself with the whole material, and won't skip complicated, technical information of ZTE N9120.

Why one should read the manuals?

It is mostly in the manuals where we will find the details concerning construction and possibility of the ZTE N9120 item, and its use of respective accessory, as well as information concerning all the functions and facilities.

After a successful purchase of an item one should find a moment and get to know with every part of an instruction. Currently the manuals are carefully prearranged and translated, so they could be fully understood by its users. The manuals will serve as an informational aid.

Table of contents for the manual

  • Page 1

    Instruction of CDMA ZTE N9120 SD ca rd upgrade Ⅰ Caution The software version and pictures in this docum ent are j ust for reference only . Please use ZTE handset support website provided v ersion to download softwa re, moreov er , T card upgrade only allows upgrad ing between the s ame v ersion and from low version to high v ersion. 1) Before yo[...]

  • Page 2

    Picture 1- 1 b) Copy w hole update.zip file to root directory of SD card, shown as pictu re 1-2: Picture 1- 2 2. Enter into f ile m anager to check whether the files in SD card are norm al. Please touch “ F ile manag er -- >sdcard -- >update.zip”, shown as picture 2 - 1 and picture 2-2: P i c t u r e 2 - 1 Picture 2-2 3. Check the version[...]

  • Page 3

    Picture 3- 1 Picture 3- 2 Picture 3-3 4. T ouch “System updates” to enter i nto “S torage card up dates”, shown as picture 4 -1: Picture 4- 1 5. T ouch “S torage card u pdates” to enter into following interface, check whether the software version has been i n specific directory of SD card, t hen touch OK, shown as picture 5 - 1.( I f th[...]

  • Page 4

    P i c t u r e 5 - 1 Picture 5-2 6. T ouch “OK”, th en the m obile phone au tomatical ly restarts, shown as picture 6-1: Picture 6- 1 7. The mobile phone direct ly enters into SD card update interface after finished restart, shown as picture 7- 1:[...]

  • Page 5

    Picture 7- 1 8. The mobi le phone automatically r estarts again after com pleting the u pdate. Then the whol e process of SD ca rd update is totally end! Ⅲ S teps of for ced u pgrade If the mobile phone cannot be powered on norm ally without upgrading illegal softwa re version, please execute forced updat e with following steps. 1. Hold the volum[...]

  • Page 6

    2. Press volum e key to choose apply upda te from exte rnal storag e 3. The mobile phone searches for update.zip update package then press volume key t o choose update.zip and tou ch power k ey to start upgrade, show n as picture 1- 11. Picture 1- 11 4. The upgrade is finished after 1-2 minutes, when the mobile phone enters i nto t he interface sho[...]