Prestigio Multiphone 3502 DUO - Handset

Guide with all the necessary steps so that you can change the Prestigio Multiphone 3502 DUO headset yourself.

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Tutorial: Step by step

Step 1 Prestigio Multiphone 3502 DUO

Characteristics:
Dimensions: 146 x 73 x 10 mm.
Weight: 173g.
Operating system: Android 4.4 KitKat.
Display: Multitouch IPS TFT display 5 ", 854x480p.
Processor: High performance 1.3 GHz Quad Core.
Battery: Li-Ion 1850mAh.
Front camera : 0.3MP, 640x480p
Rear camera : AF 8MP, 3264x2448p
Internal memory: 4GB
RAM memory: 512MB
Dual SIM: UMTS + GSM

Step 2 Back case

We will start by removing the back cover, for this we will use a plastic opening tool to separate it from the phone.

Step 3 Remove battery

After removing the back cover we will have access to the battery. Removing it will be very easy using the plastic opening tool.

Step 4 Sim and microSD cards

Before removing the intermediate housing we will have to remove the SIM and microSD cards. Using a clamp or fingers, we will pull the cards to extract them.

Step 5 Intermediate housing

To remove the intermediate casing, first we will have to remove the ten Phillips screws (PH # 00) that hold this to the chassis. Then we introduce a spike between the frame and the casing to release the notches to which it is still attached.

Step 6 Base plate screw and connected components

To get to the handset we will have to remove the motherboard. For this we will remove the only screw that still holds it and disconnect the components.

In this step, we disconnected the interconnection flex from the base plate to the bottom plate and the flex of the front camera.

Step 7

Now we will disconnect the flex from the digitizer and the touch screen.

From the bottom plate we will disconnect the coaxial antenna cable.

Step 8 Handset

By removing the motherboard we will have access to the headset. We take it off and we can remove it.

Video Tutorial summary

In this video you can watch a quick summary of the tutorial, but we recommend to follow the complete tutorial, with its explanations and detailed images.
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