Official Firmware Vivo X21 (PD1728F)

Free Download Official Firmware Vivo X21 PD1728F Qualcomm sdm660 To cover all the damage Software as boot loop / Stuck on Logo, Dead Total / Brick dead after the flash, Screen Lock, Pattern Lock, FRP etc.

Tutorial / Cara Flash Vivo X21 PD1728F

How to flash Vivo X21 depending on the type firmware used, such as OTA, Fastboot firmware or QFIL Firmware., Ntuk type of OTA firmware using the SDCard in recovery mode, Fastboot firmware using AFTool or similar her, and to QFIL Firmware using QFIL, Miflash or Qualcomm tool more.

OTA Firmware Live X21 PD1728F

For those who just want to make improvements Mariah System and can enter into recovery mode or just want to update the OS should use this type of firmware OTA (Over the Air), because using this firmware is safer to use compared to using other types of firmware

PD1728F_EX_A_1.7.10-update-full.zip
Type: ROM Size: 2.5GB
Product Name: 1725
Region: HK, TW, SG, MY, RU, PH, IN, TH
Download via Google Drive

PD1728F_EX_A_1.7.8-update-full.zip
Type: ROM Size: 2.5GB
Product Name: 1725
Region: HK, TW, SG, MY, RU, PH, IN, TH
Download via Google Drive

PD1728F_EX_A_1.6.18-update-full.zip
Type: ROM Size: 2.5GB
Product Name: 1725
Region: HK, TW, SG, MY, RU, PH, IN, TH
Download via Google Drive

Apps
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Fastboot Firmware Vivo X21 PD1728F

Fastboot firmware should be used if the device is not able to enter into recovery mode mode, but to use this firmware to be careful, because failure / error when flashing will result in damage to the device even cause death / dead after flash. 

PD1728F_EX_A_1.7.10_vivo_qcom_LA.UM.6.2.r1-04300-sdm660.tar.gz 
Type: ROM Size: 3.2GB 
Product Name: 1725 
Region: HK, TW, SG, MY, RU, PH, IN, TH

Download via Google Drive

PD1728F_EX_A_1.7.8_vivo_qcom_LA.UM.6.2.r1-04300-sdm660.tar.gz
Type: ROM Size: 3.2GB
Product Name: 1725
Region: HK, TW, SG, MY, RU, PH, IN, TH

Download via Google Drive

PD1728F_EX_A_1.6.18_vivo_qcom_LA.UM.6.2.r1-04300-sdm660.tar.gz
Type: ROM Size: 3.3GB
Product Name: 1725
Region: HK, TW, SG, MY, RU, PH, IN, TH
Download via Google Drive

LOCKING Vivo firmware X21 PD1728F

QFIL firmware can be used if the device is not able to enter into recovery mode, fastboot or dead after flash trapped in fashion  qdloader hs-usb Qualcomm 9008 etc, how to flash it using QFIL, Qualcomm Miflash or other tools. 

PD1728F_EX_A_1.7.10_vivo_qcom_LA.UM.6.2.r1-04300-sdm660_split.tar.gz 
Type: ROM Size: 3.3Gb 
Product Name: 1725 
Region: HK, TW, SG, MY, RU, PH, IN, TH 
Download via  Google Drive

PD1728F_EX_A_1.7.8_vivo_qcom_LA.UM.6.2.r1-04300-sdm660_split.tar.gz 
Type: ROM Size: 3.3Gb 
Product Name: 1725 
Region: HK, TW, SG, MY, RU, PH, IN, TH 
Download via  Google Drive

PD1728F_EX_A_1.6.18_vivo_qcom_LA.UM.6.2.r1-04300-sdm660_split.tar.gz
Type: ROM Size: 3.3GB
Product Name: 1725
Region: HK, TW, SG, MY, RU, PH, IN, TH
Download via Google Drive

prog_emmc_ufs_firehose_Sdm660_ddr.zip
Type: Firehose
Download

AFTool
VIVO BBK5.1.11 Version.7z
Type: Tool Size: 249MB
Download