Sony Xperia C4 - Antenna modules

Guide with all the steps necessary for you to change the antenna modules of the Sony Xperia C4 (E5303) yourself.

Difficulty
1
2
3
4
5

Tutorial: Step by step

Step 1 Sony Xperia C4 (E5303)

Characteristics:
Dimensions: 77.4 x 150.3 x 7.9 mm.
Weight: 147 g.
SoC: MediaTek MT6752.
Processor: ARM Cortex-453, 1700 MHz.
Graphic processor: ARM Mali-T760 MP2, 700 MHz, Number of cores: 2.
RAM memory: 2 GB, 800 MHz.
Internal memory: 16 GB.
Memory cards: microSD, microSDHC, microSDXC.
Display: 5.5 in., IPS, 1080 x 1920 pixels, 24 bit.
Battery: 2600 mAh, Li-ion (lithium ion).
Operating system : Android 5.0 Lollipop.
Camera: 4128 x 3096 ', hieles, 1920 x 1080 pixels, 30 fps.
SIM card: Nano-SIM.
Wi-Fi: a, b, g, n, n 5GHz, Dual band, Wi-Fi Hotspot, Wi-Fi Direct.
USB: 2.0, Micro USB Bluetooth: 4.1.
Location / Navigation: GPS, A-GPS, GLONASS.

Step 2 Heat and take off back cover

In order to open the phone, we will have to take off the back cover. We will use the thermal mat and heat it to soften the adhesive.

Once hot we will slide a spike between the lid and the casing to remove the glue.

Step 3 Remove inner casing

To remove the casing, we will first remove the nine Torx T4 screws and then, with the help of an opening tool, we will disengage it from the chassis.

Step 4 Antenna modules

To finish, we will disengage the modules of the inner shell.

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.
Share this tutorial