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Symphony i21 Software Release Information
| Name: | Symphony i21 |
| Model: | i21 |
| Android Version: | Android 6.0 |
| ROM Type: | Factory Singed Firmware |
| CPU: | Sc7731 |
| Tool Supported: | SPD Flash Tool |
| Driver Supported: | MTK USB Drive |
| Paid File Not Free: | WhatsApp/imo/Viver Text/Chat +8801712986225 |
| Payment Accept : | Paypal, USDT, PhonePe, Paytm, Bkash, Nagad |
i21_HW1_V7_20170809
i21_HW1_V6_20170503
i21_HW1_FRP_Unlock_File
Requirements to Flash Symphony i21
Pc or Laptop With Windows Setup.
Flash File ROM.
USB Driver.
Flash Tool.
USB Data Cable.
At Least 80% of Battery Backup.
Symphony i21 Flashing Procedure
Flashing and Servicing should be performed by certified personnel only. Ensure all work is carried out in an anti-static workplace and an anti-static wristband is worn. Only use approved tools and components as listed in the list of parts. Ensure all modules, components or screws are properly re-fitted following service and alignment. Make sure all wires and cables are correctly re-positioned if Handset is removed. Electrostatic discharge is a common cause of damage to delicate electronic components. Devices. So, Service Center must adhere to the guidelines mentioned above.
Readme Once
Create a backup. Suppose you intend to install or flash the firmware on your Symphony i21 model. In that case, you should ensure that you back up everything since your data is likely to be erased or deleted following the installation or flashing of the firmware. The company is officially releasing the firmware that was shared earlier. It allows you to repair the Mobile device if it encounters stuck in a boot loop, software errors, updates errors dead or hanging. The flashing of the ROM will erase your data, including your Storage. We recommend that you first make a complete backup of your phone. Ensure that your device has at least 55% charge maintained during the Flashing process to avoid accidental shutting Down. Did we miss any model of the device? Please let us know by contacting us on our Contact Us page.