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  1. #1
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    Default Basic and Useful Info About China Phone Software Repair

    1) What is TX RX?
    TX = Transmit, RX = Receive. type of connection which will help to you to connect your phone with pc for software operation. its just a type of connection name.

    (2) What is cpu?
    Central processing unit. A parts of phone. its type a head of phone. all phone have cpu but for china phone cpu is important for repair this phone. china phone have various type of cpu.

    (3) Why CPU is importantfor china phone?
    All other phone have cpu, uem, upp but for china phone cpu is important for repairing because various china phone cpu support various tool/device when you do software operation in phone.

    (4) How to Know CPU type/Model?
    now many of device auto detect cpu type so no problem to know which cpu use in this phone which you want to repair. also you can open the phone and can see what cpu use in phone/what name write on cpu.

    Mtk
    Spreadtrum
    Infineon
    Sky/Skyworks
    ADI/AD
    Philips
    Agree
    TI/Power management
    Mstar
    VIA
    Samsung
    SI4904

    (5) What is flash Chip & RAM?
    flash chip storephone software in it. and RAM is extra built in memory which give space tophone and flash chip to extract phone software and operating in his memory whenphone is open/running.(Random Access Memory) some china phone flash chip and RAM include in one chipand some in cpu. so if your flash area or ram area is damage in flash chip, youmust need to change total chip (CPU, Flash IC,) using many type of companieschip with under various model name, as like Samsung, Toshiba, Intel, ST etc.

    (6) Flash Chip Name/Model is importent foe a china phone as like a CPU?
    Not like cpu but itsimportant because when we flash china phone if we know what flash chip use init then we can find perfect flash file.

    (7) What Problem with chaina phone model name?
    model name is not a big matter for china phone. because with same name have many many phone with deference pcb, pcb design, cpu, flash chip, gate up, software etc.

    (8) What we need to know about chaina phone, when we repaire it?
    1. CPU Type
    2. Flash Chip model
    3. Original software/flash file version.
    4. Phone TX RX.

    (9) Flash file version is importent for a chaina phone?
    Must. its very veryimportant for china phone because though you lost your original (whenmanufacture company published phone) flash version or not know which file havein it first time, you got problem when you flash your phone. for flashing withwrong version/model flash file you got this type of problem
    1. Flash done but phone dead
    2. white screen (no incoming/out going call)
    3. white screen (with incomeing/outgoing call)
    4. Keypad not work
    5. Sim not valid
    6. Sim blocked
    7. Phone hang after power on
    8. no network
    9. have network but show emergency (this problem also do for power ic or bad connect sim or sim connector problem)
    10. phone restart continuously.
    etc.

    (10) Which toll or device?
    many of free tool published in market for mtk, infineon, ad, spreadtrum, sky etc. but alwayes device give you a complete solution.
    Last edited by mahi bandara; 02-13-2012 at 12:58 AM.

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  3. #2
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    Default

    Basic repairing cell phone
     

  4. #3
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    Default Re: Basic and Useful Info About China Phone Software Repair

    Quote Originally Posted by mahi bandara View Post
    1) What is TX RX?
    TX = Transmit, RX = Receive. type of connection which will help to you to connect your phone with pc for software operation. its just a type of connection name.

    (2) What is cpu?
    Central processing unit. A parts of phone. its type a head of phone. all phone have cpu but for china phone cpu is important for repair this phone. china phone have various type of cpu.

    (3) Why CPU is importantfor china phone?
    All other phone have cpu, uem, upp but for china phone cpu is important for repairing because various china phone cpu support various tool/device when you do software operation in phone.

    (4) How to Know CPU type/Model?
    now many of device auto detect cpu type so no problem to know which cpu use in this phone which you want to repair. also you can open the phone and can see what cpu use in phone/what name write on cpu.

    Mtk
    Spreadtrum
    Infineon
    Sky/Skyworks
    ADI/AD
    Philips
    Agree
    TI/Power management
    Mstar
    VIA
    Samsung
    SI4904

    (5) What is flash Chip & RAM?
    flash chip storephone software in it. and RAM is extra built in memory which give space tophone and flash chip to extract phone software and operating in his memory whenphone is open/running.(Random Access Memory) some china phone flash chip and RAM include in one chipand some in cpu. so if your flash area or ram area is damage in flash chip, youmust need to change total chip (CPU, Flash IC,) using many type of companieschip with under various model name, as like Samsung, Toshiba, Intel, ST etc.

    (6) Flash Chip Name/Model is importent foe a china phone as like a CPU?
    Not like cpu but itsimportant because when we flash china phone if we know what flash chip use init then we can find perfect flash file.

    (7) What Problem with chaina phone model name?
    model name is not a big matter for china phone. because with same name have many many phone with deference pcb, pcb design, cpu, flash chip, gate up, software etc.

    (8) What we need to know about chaina phone, when we repaire it?
    1. CPU Type
    2. Flash Chip model
    3. Original software/flash file version.
    4. Phone TX RX.

    (9) Flash file version is importent for a chaina phone?
    Must. its very veryimportant for china phone because though you lost your original (whenmanufacture company published phone) flash version or not know which file havein it first time, you got problem when you flash your phone. for flashing withwrong version/model flash file you got this type of problem
    1. Flash done but phone dead
    2. white screen (no incoming/out going call)
    3. white screen (with incomeing/outgoing call)
    4. Keypad not work
    5. Sim not valid
    6. Sim blocked
    7. Phone hang after power on
    8. no network
    9. have network but show emergency (this problem also do for power ic or bad connect sim or sim connector problem)
    10. phone restart continuously.
    etc.

    (10) Which toll or device?
    many of free tool published in market for mtk, infineon, ad, spreadtrum, sky etc. but alwayes device give you a complete solution.
    If possible, give more info while doing flashing guide, precautions.

    Sent from my XT1706 using Tapatalk
     

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    Default Re: Basic and Useful Info About China Phone Software Repair

    you can search in this forum already posted


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