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Inleiding

After extended use, the battery may not hold its charge anymore. Replacing the battery can solve this issue.

Onderdelen

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  1. Remove the back cover of the device using a combination of both plastic opening tools. Use your plastic opening tool pry open a corner of the device, then continue down the side of the device with the tool to completely open the device. Use your plastic opening tool pry open a corner of the device, then continue down the side of the device with the tool to completely open the device.
    • Remove the back cover of the device using a combination of both plastic opening tools.

    • Use your plastic opening tool pry open a corner of the device, then continue down the side of the device with the tool to completely open the device.

  2. Remove the black tape that is located to the left of the device as well as the clear tape directly below the camera. Remove the black tape that is located to the left of the device as well as the clear tape directly below the camera.
    • Remove the black tape that is located to the left of the device as well as the clear tape directly below the camera.

  3. SLA DE UPGRADE OVER

    Bespaar door het te repareren met een alles-in-één kit.

    Koop iPhone-reparatiekits

    SLA DE UPGRADE OVER

    Bespaar door het te repareren met een alles-in-één kit.

    Koop iPhone-reparatiekits
  4. Desolder the red, black, and yellow wires to properly remove the motherboard. Take a look at this guide to learn how to solder and desolder connections. Desolder the red, black, and yellow wires to properly remove the motherboard. Take a look at this guide to learn how to solder and desolder connections.
    • Desolder the red, black, and yellow wires to properly remove the motherboard. Take a look at this guide to learn how to solder and desolder connections.

  5. Using the spudger, carefully remove the battery by lifting up one corner and pushing the spudger underneath the battery. Now carefully lift the battery off the device.
    • Using the spudger, carefully remove the battery by lifting up one corner and pushing the spudger underneath the battery.

    • Now carefully lift the battery off the device.

    • There is double-sided tape that affixes the battery to the device.

    • Be careful to not puncture the battery. This could be a safety hazard.

Conclusie

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

11 andere personen hebben deze handleiding voltooid.

Keanu

Lid sinds: 23-02-15

367 Reputatie

2 handleidingen geschreven

Team

USF Tampa, Team 1-2, Leahy Winter 2015 Lid van USF Tampa, Team 1-2, Leahy Winter 2015

USFT-LEAHY-W15S1G2

3 Leden

10 handleidingen geschreven

But is a replacement battery available on the open market?? What is the battery voltage?? Is there a model # labeled on the battery??

imagoodag - Antwoord

If your battery is bad good luck finding a replacement. If you find one please let me know where you found it and how much it costs as hisense doesn't seem to be interested in helping.

timothy mccreery - Antwoord

I live in north central Illinois..corn country...your article wasn't what I wanted to hear...if I find a source I will get back on here....Larry....e mail dedduk2000@yahoo.com

dedduk2000 -

so i'm fixing this tablet for a friend. the battery was all puffed up. on the battery is printed "HX 3098126 | 3.7V 4000mAh | 14.10.05" on the battery circuit board it says "HX-704406-01A-2". doing a search for hisense sero 8 battery, i could only find one for the sero 7 lt which is only 3400 mAh, and i hear the battery life is already bad on these. so i found one that looks like the proper power rating, but two issues.

1. the dimensions are listed as 90 x 60 x 6 mm. i measured my sero 8 battery and it seems to be about twice the size (120 x 90 mm). not sure about the thickness, but i'm worried that half size would be double thick, keeping the case from closing on it.

2. the replacement has only red/black wires, the sero has a yellow wire labelled N, which i figure might be ground, though some people suggest it could be something to do with the thermal sensor (not specific to this tablet). most said it wouldn't charge unless you wired it to either ground, or the black wire.

http://ebay.to/1IWUAQ6

Lukyan - Antwoord

i ordered the battery and both issues came up. it was too thick, but i flattened it a bit with a rolling pin action. the case i have is missing a few tabs so it doesn't close all the way anyway. i put the battery vertically on the bottom left side (back view). anywhere else it would press and make an impression mark when using the LCD.

i could not get it to charge. the original had a Yellow wire (N), in addition to the Red and Black. i tried leaving Yellow disconnected and it powered on, but when i plugged in USB it showed a lightning bolt and said Not Charging.

next i tried putting Yellow to Black (Ground). it did not react to USB. so i removed Yellow again and this time it said Charging but it still wasn't.

only thing i can think is to tie the Yellow to Red, but i'm hesitant to damage the board, as it's a customer's tablet. if anyone else has any ideas on how to get this to charge, let me know. i can provide some pics of the circuit board and batteries if needed. thanks very much in advance.

Lukyan -

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