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LG K40 Battery Replacement

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Caution: Before you begin, discharge your phone battery below 25%. A charged lithium-ion battery can catch fire and/or explode if accidentally punctured.

  1. LG K40 Battery Replacement, Separating the back: crwdns2935265:01crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 LG K40 Battery Replacement, Separating the back: crwdns2935265:01crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Use an opening pick to separate the back panel from the phone.

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  2. LG K40 Battery Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 LG K40 Battery Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Pull the back panel away.

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  3. LG K40 Battery Replacement: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 LG K40 Battery Replacement: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • Watch out, there is a touch sensor cable still attached to the main board.

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  5. LG K40 Battery Replacement, Unscrew: crwdns2935265:04crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Unscrew all screws pictured.

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  6. LG K40 Battery Replacement, Remove plastic cover: crwdns2935265:05crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 LG K40 Battery Replacement, Remove plastic cover: crwdns2935265:05crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 LG K40 Battery Replacement, Remove plastic cover: crwdns2935265:05crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Remove the black plastic as pictured.

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  7. LG K40 Battery Replacement, Disconnect battery: crwdns2935265:06crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

    • Disconnect the battery.

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  8. LG K40 Battery Replacement, Remove battery: crwdns2935265:07crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 LG K40 Battery Replacement, Remove battery: crwdns2935265:07crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 LG K40 Battery Replacement, Remove battery: crwdns2935265:07crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • Caution: Don't jab the battery with any sharp tools. A punctured battery may leak dangerous chemicals or catch fire.

    • Pry up the battery. This will require a lot of force, but fortunately, there aren’t any cables under it.

    • Look at that carnage…

    • You can use adhesive softener to make the job of removing the battery easier.

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

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