diff --git a/flashchips.c b/flashchips.c
index 5bc73fd..238b292 100644
--- a/flashchips.c
+++ b/flashchips.c
@@ -3856,7 +3856,8 @@
 		.page_size	= 256,
 		/* supports SFDP */
 		/* OTP: 512B total; enter 0x3A */
-		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP,
+		/* QPI enable 0x38, disable 0xFF */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_QPI,
 		.tested		= TEST_OK_PR,
 		.probe		= probe_spi_rdid,
 		.probe_timing	= TIMING_ZERO,
@@ -3876,8 +3877,8 @@
 				.block_erase = spi_block_erase_c7,
 			}
 		},
-		.printlock	= spi_prettyprint_status_register_plain, /* TODO: improve */
-		.unlock		= spi_disable_blockprotect,
+		.printlock	= spi_prettyprint_status_register_default_bp3, /* bit6 is quad enable */
+		.unlock		= spi_disable_blockprotect_bp3_srwd,
 		.write		= spi_chip_write_256,
 		.read		= spi_chip_read,
 		.voltage	= {2700, 3600},
@@ -3893,7 +3894,8 @@
 		.page_size	= 256,
 		/* supports SFDP */
 		/* OTP: 512B total; enter 0x3A */
-		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP,
+		/* QPI enable 0x38, disable 0xFF */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_QPI,
 		.tested		= TEST_UNTESTED,
 		.probe		= probe_spi_rdid,
 		.probe_timing	= TIMING_ZERO,
@@ -3913,8 +3915,120 @@
 				.block_erase = spi_block_erase_c7,
 			}
 		},
-		.printlock	= spi_prettyprint_status_register_plain, /* TODO: improve */
-		.unlock		= spi_disable_blockprotect,
+		.printlock	= spi_prettyprint_status_register_default_bp3, /* bit6 is quad enable */
+		.unlock		= spi_disable_blockprotect_bp3_srwd,
+		.write		= spi_chip_write_256,
+		.read		= spi_chip_read,
+		.voltage	= {2700, 3600},
+	},
+
+	{
+		.vendor		= "Eon",
+		.name		= "EN25QH64",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= EON_ID_NOPREFIX,
+		.model_id	= EON_EN25QH64,
+		.total_size	= 8192,
+		.page_size	= 256,
+		/* supports SFDP */
+		/* OTP: 512B total; enter 0x3A */
+		/* QPI enable 0x38, disable 0xFF */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_QPI,
+		.tested		= TEST_UNTESTED,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	= {
+			{
+				.eraseblocks = { {4 * 1024, 2048} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {64 * 1024, 128} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { { 8192 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { { 8192 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_default_bp3, /* bit6 is quad enable */
+		.unlock		= spi_disable_blockprotect_bp3_srwd,
+		.write		= spi_chip_write_256,
+		.read		= spi_chip_read,
+		.voltage	= {2700, 3600},
+	},
+
+	{
+		.vendor		= "Eon",
+		.name		= "EN25QH128",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= EON_ID_NOPREFIX,
+		.model_id	= EON_EN25QH128,
+		.total_size	= 16384,
+		.page_size	= 256,
+		/* supports SFDP */
+		/* OTP: 512B total; enter 0x3A */
+		/* QPI enable 0x38, disable 0xFF */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_QPI,
+		.tested		= TEST_UNTESTED,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	= {
+			{
+				.eraseblocks = { {4 * 1024, 4096} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {64 * 1024, 256} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { { 16384 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { { 16384 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_default_bp3, /* bit6 is quad enable */
+		.unlock		= spi_disable_blockprotect_bp3_srwd,
+		.write		= spi_chip_write_256,
+		.read		= spi_chip_read,
+		.voltage	= {2700, 3600},
+	},
+
+	{
+		.vendor		= "Eon",
+		.name		= "EN25QH256",
+		.bustype	= BUS_SPI,
+		.manufacture_id	= EON_ID_NOPREFIX,
+		.model_id	= EON_EN25QH256,
+		.total_size	= 32768,
+		.page_size	= 256,
+		/* supports SFDP */
+		/* OTP: 512B total; enter 0x3A */
+		/* QPI enable 0x38, disable 0xFF */
+		/* EN4B: 0xB7, EX4B: 0xE9 */
+		.feature_bits	= FEATURE_WRSR_WREN | FEATURE_OTP | FEATURE_QPI,
+		.tested		= TEST_BAD_REW,
+		.probe		= probe_spi_rdid,
+		.probe_timing	= TIMING_ZERO,
+		.block_erasers	= {
+			{
+				.eraseblocks = { {4 * 1024, 8192} },
+				.block_erase = spi_block_erase_20,
+			}, {
+				.eraseblocks = { {64 * 1024, 512} },
+				.block_erase = spi_block_erase_d8,
+			}, {
+				.eraseblocks = { { 32768 * 1024, 1} },
+				.block_erase = spi_block_erase_60,
+			}, {
+				.eraseblocks = { { 32768 * 1024, 1} },
+				.block_erase = spi_block_erase_c7,
+			}
+		},
+		.printlock	= spi_prettyprint_status_register_default_bp3, /* bit6 is quad enable */
+		.unlock		= spi_disable_blockprotect_bp3_srwd,
 		.write		= spi_chip_write_256,
 		.read		= spi_chip_read,
 		.voltage	= {2700, 3600},
diff --git a/flashchips.h b/flashchips.h
index 4554428..e686d58 100644
--- a/flashchips.h
+++ b/flashchips.h
@@ -259,6 +259,9 @@
 #define EON_EN25Q128		0x3018
 #define EON_EN25QH16		0x7015
 #define EON_EN25QH32		0x7016
+#define EON_EN25QH64		0x7017
+#define EON_EN25QH128		0x7018
+#define EON_EN25QH256		0x7019
 #define EON_EN25S10		0x3811
 #define EON_EN25S20		0x3812
 #define EON_EN25S40		0x3813