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Coolpad Defiant Daughterboard Replacement

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Use this guide to replace the daughterboard in your phone.

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  1. Coolpad Defiant Daughterboard Replacement, Back Cover: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Coolpad Defiant Daughterboard Replacement, Back Cover: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Turn the phone with the back cover facing towards you.

    • Carefully remove the back cover by holding one corner of the case and carefully pulling it away from the phone.

    • The plastic case and inner components can break if not pulled carefully, so pull cautiously.

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  2. Coolpad Defiant Daughterboard Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Remove the back cover from your device.

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  4. Coolpad Defiant Daughterboard Replacement, Battery: crwdns2935265:03crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Find the gap on the bottom of the battery.

    • With a tool or with your hands, pull the battery upward and set it aside safely.

    • Remember to return the battery once you are done, safely placing it in the correct position or as how you first saw it.

    • Be careful with old or damaged batteries and dispose of it appropriately

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  5. Coolpad Defiant Daughterboard Replacement, Daughterboard: crwdns2935265:04crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Coolpad Defiant Daughterboard Replacement, Daughterboard: crwdns2935265:04crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Remove all fifteen screws using the Phillips #000 screwdriver.

    • Remove the back panel after all screws are removed.

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  6. Coolpad Defiant Daughterboard Replacement: crwdns2935265:05crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Coolpad Defiant Daughterboard Replacement: crwdns2935265:05crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Coolpad Defiant Daughterboard Replacement: crwdns2935265:05crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Disconnect the metal cable using the plastic spudger.

    • The remove the glued down speaker from the backing.

    • Disconnect the little black wire from lower logic board.

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  7. Coolpad Defiant Daughterboard Replacement: crwdns2935265:06crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Using the plastic spudger remove the lower logic board because the only thing that is holding it down is glue.

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To reassemble your device, follow these instructions in reverse order.

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Elijah Gastin

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University of North Texas, Team S5-G6, Thompson Fall 2018 crwdns2935289:0University of North Texas, Team S5-G6, Thompson Fall 2018crwdne2935289:0

UNT-THOMPSON-F18S5G6

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