Android EMI Locker App Development
Full-featured Android device locker app with 2-second auto-unlock, offline protection, and on-screen UPI QR code.
Sell any smartphone on EMI without fear of unpaid loans.
If a customer misses their monthly EMI date, the phone locks automatically at 12:01 AM. Phone formatting, SIM card removal, and Airplane mode cannot remove the lock. When the customer pays by UPI, the phone unlocks in 2 seconds.
Samsung Knox CertifiedLocks Without Internet or SIMUnlocks in 2 Seconds on UPINo Computer Needed at Counter
LIVE_PHONE_LOCK_STATUS
ALL BRANDS
Phone FormatBLOCKED
Offline Lock TimerACTIVE
2s Auto-Unlock
PhonePe • GPay • Paytm
How to lock a phone at your shop counter in 30 seconds.
No computer or technical knowledge needed. Any staff member can set up a new phone in 30 seconds right at the counter.
Zero cables. Zero computer needed.
Other software requires connecting phones to laptops with data cables and drivers. Our QR setup locks Samsung, Vivo, Oppo, Realme, Xiaomi, and iPhones directly on fresh unboxed phones in 30 seconds.
Works on Samsung, Vivo, Oppo, Realme, Xiaomi, Tecno & iPhone
6×
Tap Welcome Screen1. Tap Screen 6 Times
Open fresh phone box and tap 6 times on the first welcome screen. Camera scanner opens instantly.
QR Scanned
30-Sec Setup
2. Scan Your Shop QR
Point the phone camera at your Retailer App QR code. Zero computer, laptop, or USB wire required.
Lock Active
Offline Clock Armed
3. Phone Protected
Samsung Knox & Android DPC locks permanently install in 30 seconds. Hand phone to customer.
Want to see 30-second setup live on your test smartphone?
See the phone lock & 2-second auto-unlock in action.
Compare the locked phone screen when EMI is overdue with the instant 2-second recovery after UPI payment.
Phone Locked Screen
12:01 AM Due Date Trigger
12:01 AM
0%
DEVICE LOCKED (EMI OVERDUE)
All apps, settings & camera restricted by shop policy
Scan to Pay Shop EMI: ₹1,499
PhonePe • GPay • Paytm • BHIM
Factory Reset & SIM Swap Bypasses Blocked
Emergency Call Available
Format Blocked
Offline Clock
Phone Unlocked Screen
Instant Bank Deposit & Restore
12:02 AM
5G100%
2-Second Auto-Unlock Ready
Click simulation button below to test live unlock
HOME SCREEN○ WAITING FOR PAYMENT
Phone
WhatsApp
Chrome
YouTube
Camera
Paytm
PhonePe
Settings
2-Second Remote Unlock Webhook Ready
Works on Samsung, Vivo, Oppo, Realme, Xiaomi, Tecno & iPhones.
Click any brand below to see how our security lock protects your money from payment default.
Samsung Knox Guard
Official Samsung Cloud Security
Connects directly with official Samsung Knox servers. Factory formatting, phone reset, and software flashing cannot remove the lock.
Direct Samsung Knox Cloud Connection
Cannot be removed by volume button reset
Phone locks again automatically after format
Complete software for shops, distributors & white-label brands.
Whether you own a single phone shop or want to launch your own national software brand, we have the complete solution ready for you.
● LIVE_SOFTWARE100% READY
For Mobile Shop Owners & Sales StaffInstant Activation
1. Retailer Mobile Counter App
Lock phones in 30 seconds right at your shop counter.
Download our app on your Android phone. Scan the new customer phone's QR code to enroll in 30 seconds. Automatically calculate monthly installments, collect payments, and lock phones remotely.
30-Second QR scan setup at counter
Calculates monthly EMI and interest automatically
1-Click lock and unlock button on your phone
● LIVE_SOFTWARE100% READY
For City Distributors & Area StockistsInstant Activation
2. Wholesale Distributor Portal
Manage 50+ retail shop counters and distribute lock keys.
Wholesale stockists can create retailer accounts, allocate lock keys, monitor live EMI payments across all shops in real time, and earn commission on every phone sold.
Add and manage 100+ mobile shop accounts
Instant lock key transfer to shop counters
Live dashboard of shop sales and collected money
● LIVE_SOFTWARE100% READY
For Finance Companies, NBFCs & Head OfficesInstant Activation
3. Master Web Admin Panel
Total control over every financed device across India.
Complete web dashboard to track customer EMI dues, auto-lock schedules, payment deposits, and SIM change alerts from a single computer screen.
Live location tracking & SIM card swap alerts
Direct UPI payment settlement to your bank
Full export of customer EMI payment reports
● LIVE_SOFTWARE100% READY
Launch Your Own Phone Locker Software BrandInstant Activation
4. Your Own White-Label Brand
Your own company logo, app name, and admin panel in 14 days.
We build your custom phone locker app with your logo, company name, brand colors, and private cloud server published on the Google Play Store.
Your own brand name & logo on Google Play Store
100% private server with your own database
Ready and delivered to you within 14 working days
We build custom phone locker software tailored for your business.
Our expert mobile developers build custom locker apps for Android phones, iPhones, Smart TVs, and private cloud servers.
Launch your own branded software in 14 days.
We design your mobile app, connect your private cloud server, upload your app to the Google Play Store with your company logo, and give you 24/7 technical support.
Ready in 14 Days Your Own Logo & Name 100% In-House Engineering
Device Locker App Development4 Solutions
Smart Android TV EMI Locker Development
Smart TV locking software blocking HDMI video inputs, Netflix, and YouTube when installments are overdue.
ZTE & Transsion EMI Locker Development
Hardware recovery locking for Tecno, Infinix, and itel devices with disabled volume-button hard format menu.
Apple iPhone iOS EMI Locker Development
Apple Supervised profile locking with remote screen disable, custom shop contact display, and GPS tracking.
Google & Android Enterprise Systems2 Solutions
Device Lock Controller (DLC) Development
Official Google DLC system for certified Android devices providing zero-touch remote provisioning and locking.
Device Policy Controller (DPC) Development
Deep Android DPC device owner architecture preventing uninstallation, developer options, and unauthorized reset.
White-Label & Private Cloud Servers2 Solutions
White Label EMI Locker App Source Code
Own 100% of your software code, branding, database, and admin console with complete technical handover in 14 days.
Custom Cloud Server & Admin Setup
High-speed private cloud server with automated UPI payment reconciliation, webhook listeners, and daily backup.
Choose the right solution for your business.
Transparent software packages built for single retail shops, wholesale distributors, and private white-label brands.
● VERIFIED_PACKAGEACTIVE
Retailer Starter Package
Single Mobile Shop Owners & Local Counters
Instant Android mobile counter app to enroll customer phones at your shop desk in 30 seconds with automated UPI QR code collection.
What is Included:
- Retailer Android counter mobile application
- Quick 30-second customer phone enrollment
- Instant lock and auto-unlock via UPI QR code
- Automatic offline timer on missed due dates
- WhatsApp reminder alerts for customers
- Dedicated Hindi and English phone support
● VERIFIED_PACKAGEACTIVE
Distributor & Stockist Package
City Distributors, Stockists & Multi-Branch Chains
Complete distributor portal to manage 50+ retail counters, transfer lock keys, track collection commissions, and oversee phone safety.
What is Included:
- Distributor portal + Unlimited retailer accounts
- Instant lock key transfer & sub-dealer allocation
- Real-time payment dashboard & commission tracking
- Multi-city shop performance reports
- Direct Samsung Knox Guard API integration
- Priority dedicated account manager
● VERIFIED_PACKAGEACTIVE
Custom White-Label Brand
Finance Companies, NBFCs & Enterprise Brands
Your own branded EMI Locker app on Google Play Store with your company logo, private cloud database, and dedicated source code handover.
What is Included:
- Your own company logo & name on Google Play Store
- 100% private cloud server with zero shared data
- Direct UPI payment settlement to your bank account
- Samsung Knox, MediaTek & Apple iOS security
- Complete technical handover in 14 working days
- Lifetime maintenance and software updates
Frequently Asked Questions
Clear answers to common questions about phone locking, offline security, and auto-unlock.
The phone still locks automatically on the due date. The software has an internal offline timer that counts down even with zero internet and zero cellular connection.
Book a Free Live Demo
Test phone lock and 2-second auto-unlock live with our senior technical specialists.
Call: +91 88826 53043
Instant Reply
Ready to safeguard your smartphone EMI sales?
Join mobile shop owners, distributors, and lenders across India who use Quick Guard EMI Locker to eliminate default risk.