Einleitung

If the battery is drained of life, you will need to replace it. This guide will give you step-by-step instructions on how to replace the battery.

Use the iOpener tool to unglue the adhesive of the device. The link to the iOpener instructions are listed below.
  • Use the iOpener tool to unglue the adhesive of the device. The link to the iOpener instructions are listed below.

  • iOpener Anleitung

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Place the flat head of the bigger plastic opening tool in between the front plate and back plate.
  • Place the flat head of the bigger plastic opening tool in between the front plate and back plate.

  • Pull the tool toward the back of the device to pry it open.

  • Repeat this process over all edges of the device.

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  • Open up the device by pulling the front plate straight up from the back plate.

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  • Carefully detach the wire running from the speaker to the motherboard by unplugging it from the white socket.

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  • Using the PH000, unscrew the three 4.55 mm screws in the motherboard.

  • The names of the screwdriver heads are listed on the sides of each head.

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  • Remove the motherboard from the device by lifting it up from the back plate.

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Abschluss

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

2 weitere Nutzer haben diese Anleitung absolviert.

Spartacus

Mitglied seit 17.10.2014

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Team

Baylor, Team 8-13, Williams Fall 2014 Mitglied von Baylor, Team 8-13, Williams Fall 2014

BU-WILLIAMS-F14S8G13

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what are the battery spec. that are used , for the replacement battery?

michael moody - Antwort

i agree with Michael above , the “fix” here is pretty useless without even the physical dimensions of the battery , or removing the tape obscuring the numbers on the existing battery, so we might have some hope of referencing one before tearing apart a device and having it sit while a replacement battery is coming ,,,, remember some of us live in very remote areas where it takes quite a while to get parts

bari - Antwort

Original Battery Specifications

Rechargeable Lithium-ion Polymer cell AHB723938

Typical Capacity 1200mAh at 0.2C mA Discharge

Charging Voltage 4.2 V

Typical Voltage 3.8 V

Charging Method Constant Current/Constant Voltage (CC/CV)

Cut-off Discharge Voltage 3.0V

Max. Discharge Current 2.0C mA

Max. Charge Current 1.0C mA

Cycle Life > 300 cycles at 0.5C mA Charge/Discharge

Operating Temperature for Standard Charge 0℃ to 45℃

Operating Temperature for Discharge -20℃ to 60℃

Storage Temperature -20℃ to 60℃

Energy Density Volumetric Energy Density (Wh/L) 427

Energy Density Gravimetric Energy Density (Wh/Kg) 182

Weight of Bare Cell Approx. 25.0g

Initial Internal Impedance < 81mΩ

Measures approx 35mm x 37mm

Mark Pritchard - Antwort

Also, in step 6, if you look closely at the picture you will see that the author has all but ruined the device by prying from the wrong side, and has pulled the board connector off the board. Pry GENTLY from the front where it connects to the other board so the connector disconnects instead of prying it off the board and having to resolder it.

Mark Pritchard - Antwort

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