From 350bc72ef3676e95507b1521f6902ec5d0c0546c Mon Sep 17 00:00:00 2001
From: James Rich <2199651+jamesarich@users.noreply.github.com>
Date: Fri, 23 Oct 2026 13:13:42 -0500
Subject: [PATCH 1/2] fix(dfu): buffer 16 pending packets during lazy erase

---
 changelog.md                                             | 1 +
 lib/sdk11/components/drivers_nrf/pstorage/pstorage_raw.c | 2 +-
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/changelog.md b/changelog.md
index 8849f2502..b0fbdeecb 100644
--- a/changelog.md
+++ b/changelog.md
@@ -11,6 +11,7 @@ it and is upstream Adafruit history, kept for provenance.
 - The DFU screen shows upload progress during UF2, serial, and BLE transfers, as a bar in place of the banner. The title reads BOOTLOADER during a bootloader update, ERASE during a factory erase, WRONG FILE for a UF2 this board cannot take, and NO FIRMWARE when DFU starts without a valid application.
 - A DFU session started after a SoftDevice update no longer ends before it begins.
 - Build change, no behavior change: the bootloader is now compiled with `-flto`, which shrinks every image by about 3.3 KB of flash. Section addresses and SoftDevice call sites are unchanged.
+- The lazy-erase packet buffer holds 16 packets instead of 8, so an Android transfer at PRN 10 with 244-byte packets is no longer refused with `NO_MEM` while a page erases. Costs about 2 KB of `.bss`.
 
 ## OTAFIX 2.5
 
diff --git a/lib/sdk11/components/drivers_nrf/pstorage/pstorage_raw.c b/lib/sdk11/components/drivers_nrf/pstorage/pstorage_raw.c
index 6e92bc26a..bf6e46331 100644
--- a/lib/sdk11/components/drivers_nrf/pstorage/pstorage_raw.c
+++ b/lib/sdk11/components/drivers_nrf/pstorage/pstorage_raw.c
@@ -48,7 +48,7 @@
 #endif
 
 #define PENDING_PACKET_SIZE         256     /**<  Maximum size of a single pending packet data buffer. */
-#define PENDING_PACKET_COUNT        8       /**<  Maximum number of packets that can be buffered during lazy erase. */
+#define PENDING_PACKET_COUNT        16      /**<  Packets buffered during lazy erase; must exceed the largest client PRN interval (Android 10, Apple 8). */
 
 uint8_t  * dfu_page_erased;                                           /**< Pointer to page erased status array, set by DFU layer. */
 uint32_t   dfu_image_page_count;                                      /**< Number of pages in DFU image, set by DFU layer. */

From e29ea037fa574714ba2ae4991cf41aea2c553560 Mon Sep 17 00:00:00 2001
From: James Rich <2199651+jamesarich@users.noreply.github.com>
Date: Fri, 23 Oct 2026 16:35:32 -0500
Subject: [PATCH 2/2] docs: state the pending-ring change as capacity

---
 changelog.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/changelog.md b/changelog.md
index b0fbdeecb..520294b02 100644
--- a/changelog.md
+++ b/changelog.md
@@ -11,7 +11,7 @@ it and is upstream Adafruit history, kept for provenance.
 - The DFU screen shows upload progress during UF2, serial, and BLE transfers, as a bar in place of the banner. The title reads BOOTLOADER during a bootloader update, ERASE during a factory erase, WRONG FILE for a UF2 this board cannot take, and NO FIRMWARE when DFU starts without a valid application.
 - A DFU session started after a SoftDevice update no longer ends before it begins.
 - Build change, no behavior change: the bootloader is now compiled with `-flto`, which shrinks every image by about 3.3 KB of flash. Section addresses and SoftDevice call sites are unchanged.
-- The lazy-erase packet buffer holds 16 packets instead of 8, so an Android transfer at PRN 10 with 244-byte packets is no longer refused with `NO_MEM` while a page erases. Costs about 2 KB of `.bss`.
+- The lazy-erase packet buffer holds 16 packets instead of 8. Costs about 2 KB of `.bss`.
 
 ## OTAFIX 2.5