₹300 Original price was: ₹300.₹129Current price is: ₹129.
Please read the manual before use.
This section sets the foundation for a safe repair environment. Before a single tool touches a phone, the workspace must be prepared to protect both the technician and the sensitive electronics.
Electrostatic Discharge (ESD) Safety: Instructions on grounding yourself using an ESD wrist strap and working on an anti-static mat to prevent frying microchips with static electricity.
Safety Gear: Protocols for wearing safety glasses (critical when prying shattered glass) and working in a well-ventilated area (crucial for adhesive fumes and soldering smoke).
Lighting and Magnification: Recommendations for high-intensity desk lamps and digital microscopes or magnifying visors for viewing microscopic components.
The most physically risky part of mobile repair is opening the device without cracking the glass screen or ripping delicate internal ribbon cables.
Thermal Tools (Heat Guns & Heat Pads): Instructions on setting precise temperatures (typically 80°C to 100°C) to soften heavy factory adhesives without damaging the display.
Suction & Leverage Tools: Proper placement of heavy-duty suction cups and screen prying fixtures to safely create an initial gap.
Separation Media (Plastic Picks & Spudgers): Techniques for slicing through glue lines using plastic opening picks without inserting them too deeply into the frame.
Modern smartphones use dozens of tiny, highly specialized screws and brackets to hold internal shields in place.
Precision Driver Identification: A breakdown of specialized micro-bits, detailing exactly when to use Pentalobe (iPhones), Tri-point/Y-type (internal Apple shields), Torx/Torx Security (Android devices), and standard Micro-Phillips.
Organization Systems: Guidelines for using magnetic project mats or screw organizing trays to map out screw locations, preventing the catastrophic error of “long-screw damage.”
Gripping & Placer Tools: How to utilize straight and curved ESD-safe tweezers to safely disconnect fragile ZIF (Zero Insertion Force) and coaxial cable connectors.
This section transitions the user from basic mechanical teardowns to logical troubleshooting when a phone won’t turn on or charge.
Digital Multimeter (DMM): Step-by-step instructions on setting up the meter for DC voltage testing (checking battery and charging port output) and continuity/diode mode (hunting for short circuits).
DC Power Supply: How to boot a phone motherboard without a battery attached, interpreting current draw (Amperage) to diagnose power management failures.
USB Ammeter / Tester: Utilizing an inline USB safety tester plugged into the charging block to instantly diagnose if a phone is pulling normal current ($1A$ to $2A$) or completely dead ($0A$).
For advanced users handling board-level fixes like swapping out charging ports, audio IC chips, or FPC connectors.
Soldering Iron Stations: Temperature calibration tips, tip selection (chisel vs. conical), and maintenance/tinning procedures.
Hot Air Rework Stations: Managing the delicate balance of air flow and temperature to safely desolder multi-pin components without blowing adjacent surface-mount resistors off the board.
Chemical Consumables: Proper application of rosin flux (to clean joints and fluidize solder), solder wick (braided wire to remove old solder), and low-melt solder alloys.
The final step is cleaning up the internal cavity and sealing the device back up to its original structural integrity.
Chemical Cleaners: Safe usage of 99% Isopropyl Alcohol (IPA) to dissolve old glue residues, flux oils, and clean mild liquid damage.
Liquid Adhesives vs. Tape: Instructions on applying specialized acrylic glues (like B-7000) versus applying precision-cut double-sided adhesive gaskets.
Camping and Curing: Utilizing specialized display repair clamps to apply even, steady pressure while the new adhesives cure over 15 to 30 minutes.
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The Infinix Smart 4 Charging Connector Flex is a vital sub-board component responsible for ensuring stable charging and seamless USB connectivity in the Infinix Smart 4 smartphone (model X653, X653C). Whether your device is facing issues like “not charging,” loose USB connection, microphone malfunction, or unrecognized USB cable, this part acts as a direct OEM replacement that restores factory performance without software modifications or advanced soldering. It combines charging, microphone, vibration motor contact, and antenna functions in one compact PCB unit that sits at the bottom of the phone chassis.
This component is an essential spare for mobile repair technicians and DIY users who want a reliable, tested solution for restoring the phone’s charging and data sync capabilities.
The connector flex board is 100% compatible with Infinix Smart 4 and its common variants including X653 & X653C. It is manufactured according to the original dimensions, screw-hole alignment, and connector layout, ensuring a perfect fit without the need for modification. The flex cable and USB port align precisely with the phone’s mainboard ZIF socket and charging port cut-out, allowing it to install easily into the phone’s lower frame.
Compatible variants:
Infinix Smart 4 X653
Infinix Smart 4 X653C
Dual-SIM and Single-SIM variants
This compatibility makes it a go-to part for phone repair centers handling Infinix models in bulk.
The board features a Micro USB Type-B port as used in the original factory design. It supports:
5V/2A Fast Charging
Stable data transfer via USB 2.0
OTG (On-The-Go) support for pen drives, keyboards, etc. (if supported by firmware)
The USB port is soldered securely to the board with high-temperature SAC305 solder, which provides strong mechanical support and electrical reliability. It can withstand over 5,000 plug-in cycles without becoming loose or failing.
The sub-board is manufactured using FR-4 grade fiberglass PCB material with:
1 oz copper layers for better current flow
RoHS-compliant green solder mask
Pre-bent polyimide flex tail for easy connection to the mainboard
Gold-plated contact pads reduce oxidation and maintain long-term conductivity. The board is ESD protected and tested to ensure reliability under normal environmental conditions, such as high humidity or temperature changes.
The flex board comes with an integrated primary microphone, responsible for capturing audio during calls and video recordings. It is an electret condenser mic with:
Sensitivity rating: −42 ± 2 dB
Pre-installed rubber gasket for dust and noise isolation
Grounding lines to minimize static and interference
This ensures clear and crisp voice quality and resolves the common issue of “caller can’t hear me” or muffled audio during calls.
The connector board also includes:
Gold-plated contacts for the vibration motor
Spring-loaded antenna connectors
These features make this single part capable of restoring multiple bottom-half phone functions in one go — charging, mic, signal reception, and vibration.
To protect the device’s internal circuitry, the board includes:
TVS Diode Protection for over-voltage and electrostatic discharge
Reverse polarity protection
Filter capacitors for signal and power stability
These features make the flex board resistant to power surges and short-circuits. The overall durability is enhanced through:
Thermal testing from −20°C to +60°C
Salt-fog resistance for coastal and humid climates
Drop-tested in assembled chassis from 1 meter height
Installing the Infinix Smart 4 charging connector flex is a non-soldering process:
Power off the phone and remove the back cover.
Unscrew the speaker chamber and access the lower board.
Disconnect the battery (for safety), and detach the old flex.
Insert the new connector flex and align with mounting points.
Reconnect the flex cable and battery, screw back everything.
Average installation time: 10–15 minutes for technicians.
Every charging connector flex board is:
Packed in anti-static (ESD) sealed bags
Shipped in foam-padded mailers to prevent transit damage
Labeled with batch and QC passed stickers
Retailers and distributors may offer warranty or exchange against manufacturing defects (typically 7–15 days) provided the item is unused and packaging remains intact.
✅ Phone not charging or slow charging✅ Phone charges only at certain angles✅ USB not detected on PC✅ Microphone not working✅ No vibration or network signal issues (if due to contact failure)
Replacing this part can revive a dead phone without replacing the entire motherboard or phone unit, saving both time and cost.
The Infinix Smart 4 Charging Connector Flex is an essential and cost-effective solution for a wide range of common hardware faults in the device. Whether you are a technician, a mobile phone reseller, or a DIY repair enthusiast, this part delivers the reliability and performance of the original, without needing advanced tools or soldering skills. Its integrated features, electrical protection, and easy installability make it a must-have for your mobile repair toolkit.
The Infinix Smart 4 Charging Connector Flex is designed to enhance your device’s performance and ensure that you stay connected throughout your day. This flex connector is an essential component that facilitates smooth charging and data transfer, allowing you to maximize your smartphone’s capabilities. With a simple yet effective design, this product brings reliability right to your fingertips.
Engineered with durability in mind, the Infinix Smart 4 Charging Connector Flex is made from high-quality materials that withstand daily wear and tear. Its flexible design allows for easy installation without compromising the integrity of your device. Whether you’re charging your phone at home, in the office, or on the move, this connector works seamlessly, providing a stable connection that you can depend on.
Replacing your Infinix Smart 4 Charging Connector Flex is straightforward, even for those with minimal technical skills. The product is specifically designed to be compatible with the Infinix Smart 4 model, ensuring that you don’t face any compatibility issues. Once in place, it enables optimal charging speeds and allows for quick data transfer. This ensures that you can swiftly sync your files or charge your device without hassle.
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