Crosscall Trekker M1 Core Battery Replacement Repair Guide

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Easy

Steps

Time Required

                          45 minutes

Sections

Battery
6 steps

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Introduction

Crosscall does not provide spare parts on its older models, so you will have to find this battery yourself.

If you use another battery model, check that the connectors, dimensions and position of the power supply wire are correct.

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

What you need

Step 1

              Removing the card cover

Attention: Please turn off your phone before any disassembly.
Unscrew the 2 flat head screws from the SIM card cover.
The 2 screws are captive: lift the cover using the slots on the sides to remove the assembly.

Attention: Please turn off your phone before any disassembly.

Unscrew the 2 flat head screws from the SIM card cover.

The 2 screws are captive: lift the cover using the slots on the sides to remove the assembly.

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Step 2

              Removing the rear panel

Remove the 10 hexagonal screws.
One of the 2 screws located under the SIM card cover has a cover that will need to be pierced with the tip. This may invalidate the manufacturer’s warranty.
These 10 screws are the same length and are interchangeable with each other.
Open the waterproof cap of the USB socket and remove the 2 Phillips screws (see photo 2).
Open the waterproof cap of the earphone socket and remove the Phillips screw (see photo 3).
Lift the rear panel which should come without forcing.

Remove the 10 hexagonal screws.

One of the 2 screws located under the SIM card cover has a cover that will need to be pierced with the tip. This may invalidate the manufacturer’s warranty.

These 10 screws are the same length and are interchangeable with each other.

Open the waterproof cap of the USB socket and remove the 2 Phillips screws (see photo 2).

Open the waterproof cap of the earphone socket and remove the Phillips screw (see photo 3).

Lift the rear panel which should come without forcing.

Step 3

              Free access to the battery connector

You can take advantage of this step to check the condition of the red seal and dust it if necessary.
Unscrew the four (4) Phillips screws to release the black plate supporting the SIM card.
Gently lift this black plate and release the connector with the flat end of a spudger. (The connector is visible in photo 2 when the black plate is separated from the device)
The battery connector (blue arrow) and the NFC connector (orange arrow) are now accessible.

You can take advantage of this step to check the condition of the red seal and dust it if necessary.

Unscrew the four (4) Phillips screws to release the black plate supporting the SIM card.

Gently lift this black plate and release the connector with the flat end of a spudger. (The connector is visible in photo 2 when the black plate is separated from the device)

The battery connector (blue arrow) and the NFC connector (orange arrow) are now accessible.

Step 4

              Extract the battery

Unscrew the metal plate protecting the battery (4 Phillips screws).
Do not mix these screws with the 4 screws from the previous step; their length is different.
Two plastic cleats are inserted into the sheet. Check that they are inserted correctly during reassembly.
Disconnect the battery connector with the flat end of a spudger (use a plastic spudger to avoid a short circuit).
Lift the metal plate stuck to the battery (to extract it) and gently pull on the NFC sensor socket (you have to pull towards the bottom of the device to disconnect it).

Unscrew the metal plate protecting the battery (4 Phillips screws).

Do not mix these screws with the 4 screws from the previous step; their length is different.

Two plastic cleats are inserted into the sheet. Check that they are inserted correctly during reassembly.

Disconnect the battery connector with the flat end of a spudger (use a plastic spudger to avoid a short circuit).

Lift the metal plate stuck to the battery (to extract it) and gently pull on the NFC sensor socket (you have to pull towards the bottom of the device to disconnect it).

Step 5

              Separate the battery from the metal plate

With the battery separated from the smartphone, remove it from the metal plate with a suitable solvent
In the absence of solvent, it is possible to remove the battery with a hair dryer and a metal spudger.
Warning: Heating the battery may degrade its performance. Do not use a hair dryer if you want to reuse the battery.
Be careful not to bend or puncture the battery during this procedure: A damaged flexible lithium-ion battery may leak dangerous chemicals and can catch fire and even explode!

With the battery separated from the smartphone, remove it from the metal plate with a suitable solvent

In the absence of solvent, it is possible to remove the battery with a hair dryer and a metal spudger.

Warning: Heating the battery may degrade its performance. Do not use a hair dryer if you want to reuse the battery.

Be careful not to bend or puncture the battery during this procedure: A damaged flexible lithium-ion battery may leak dangerous chemicals and can catch fire and even explode!

Step 6

              Install the new battery

Insert the new battery.
Connect the connector for the power supply using a plastic spudger.
Replace the metal plate and slide the NFC sensor connector into its socket.
Insert the 4 screws that tighten the metal plate.

Insert the new battery.

Connect the connector for the power supply using a plastic spudger.

Replace the metal plate and slide the NFC sensor connector into its socket.

Insert the 4 screws that tighten the metal plate.

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

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                       3

Albert - Aug 30, 2022

Bonjour

Merci beaucoup pour votre tuto.

J’ai installé la batterie mais elle ne se charge pas : en fait le témoin de charge s’allume; il s’anime bien mais la batterie ne se charge pas .

S’il vous plait sauriez vous d’où ça vient ? J’ai du mal à réintroduire à fond la petite prise NFC : est ce que ça vient de là ?

Merci beaucoup

Albert

LCD Expert - Nov 15, 2022

meme problème rencontré apparement la batterie de trekker m1 ne fonctionne pas avec m1 core malgré que les batteries soient identiques…

Olivier HULIN - Dec 6, 2022

Bonsoir , même problème ,pas de charge pourtant il se connecte bien au pc ,mais il ne charge pas, où est l erreur ?

Joel - Jan 8, 2023

Bonjour,

Merci pour ce tutoriel très clair. Je viens de réaliser l’opération, le téléphone fonctionne mais comme les trois précédents posts, mais impossible de charger la batterie.

Si quelqu’un a un tuyau…

Merci,

Joël

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